Mohammad Fayaz, Abbas Ullah Jan, Dawood Jan
...r five vegetables namely potato, onion, tomato, cabbage & cauliflower and peas, mostly consumed in Pakistan. A comparison of quality elasticity between urban and rural households is provided using Household Integrated Economic Survey (HIES) data from Pakistan Social and Standards Living Measurement (PSLM) 2010-11. The elasticities of interest were obtained via log-log inverse (LLI) functional form of Engel equation. The quantity and expenditure elasticitie...
Hayat Badshah1*, Farman Ullah1, Abid Farid2, Ahmad-U-Rahman Saljoqi1, Sajjad Ahmad3
...olanum melongena Linn.), potato (Solanum tuberosum Linn.), China rose (Hibiscus rosa-sinensis Linn) and tomato (Lycopersicon esculentum Mill.). The experiment was conducted under Laboratory conditions (25-32°C, 55-65% R.H. and 12:12 light: dark, photoperiod) during 2012. Results revealed that P. solenopsis successfully and significantly (P<0.05) completed its life cycle along with highest body weight gain on China rose followed by ...
Muhammad Shah Zaman1, Ghulam Muhammad Ali2, Aish Muhammad1, Khalid Farooq2, Iqbal Hussain1*
...vitro screening of eight potato varieties (Asterix, Cardinal, Challenger, Desiree, Hermis, Kroda, Sh-5 and Sante) was investigated for salt tolerance at 0.0, 10, 20, 40, 60, 80, 100 mM NaCl supplemented with MS medium. Kroda emerged as the most salt tolerant variety with the highest plant height (6.5 cm), number of nodes (8.8), fresh shoot weight plant-1 (0.166 g), number of roots (4.6) and root length (2.5 cm) at 60 mM NaCl followed by Sh-5. Desiree and Card...
Sana Irshad Khan1*, Zafar Iqbal2, Hamid Ullah Shah2 and Shaukat Hussain3
Palash Mondal1 , Amitava Konar2 and N. Johnson Singh3
Evaluation of insecticidal schedules for the management of insect pests of potato
... against insect pests of potato. The minimum population of aphids, whitefly and epilachna beetle was observed in the treatment T which received soil application of phorate followed by spraying of chlorpyriphos,imadicloprid and cartap hydrochloride, respectively at 40, 55 and 70 DAP than other treatments. Maximum yield of healty potato tuber was recorded in the plot treated with chlorpyriphos before planting and foliar spray ...
K.N. Ahmed and M.R. Hasan
Sudden outbreak of mealy bug and armoured scale causing severe damage to economic crops in Bangladesh
...t damaging coffee, sweet potato, jute, groundnut, tomato, citrus, cotton, guava etc. causing enormous damage to them. The female lays about 300-400 eggs which hatch in few hours. The life cycle is completed in about 40 days. The small and big black ants tend F. virgata and they keep other insects including hymenopteran parasites away from the mealy bug. The cottony cushion scale, Icerya purchasi Mask. (Homoptera: Margarodidae) is a soft-bodied mealy bug infest...
Amitava Konar, Palash Mondal and N. Johnson Singh
Occurrence of potato pests in different dates of planting in Gangetic plains of West Bengal, India
... various insect pests of potato under five different planting dates (P1 to P5) was carried out for two consecutive years, 2006-07 and 2007-08 at Adisaptagram Block Seed Farm, Hooghly, West Bengal, India. Kufri Chandramukhi was planted in five dates of planting starting from 3rd week of November with one week interval upto 3rd week of December with a spacing of 60×20 cm. The trial was laid in Randomized Block Design (RBD) with four replications. The recom...
SK Fashi Alam, Atanu Seni and Ajoy K Sahoo
Biology of the mealybug, Phenacoccus solenopsis Tinsley (Pseudococcidae: Hemiptera) on sprouted potato and brinjal plant
...injal plant and sprouted potato tubers in the laboratory. The female nymphs moulted three times for becoming adults while the male took four moultings. The female and male nymphs completed development in 14.45± 0.96 days and 19.53±1 days, respectively on brinjal plant at 20-36.2° C temperature and 15.1±1 days and 18±0.82 days respectively on sprouted potato. The ratio of the male: female were ...
Amitava Konar, Kiran A. More and Pradip Mondal
Efficacy of some insecticides against cutworm and molecricket of potato in West Bengal
...e: Orthoptera) infesting potato at Adisaptagram Block Seed Farm, Mogra, Hooghly, West Bengal (India) during 2007-08 and 2008-09. The field trial was conducted in Randomized Block Design with six treatments and five replications. Among the various treatments for managing soil pests of potato (cv. Kufri Bahar) i.e. cutworm and molecricket soil treatment of phorate 10 G @ 15kg ha-1 at planting plus drenching the ridges with chl...
Biswajit Pramanick, Sruti Karmakar, Koushik Brahmachari, Rupayan Deb
An integration of weed management practices in potato un-der New Alluvial soil
...measures on the yield of potato, a field experiment was carried out with this crop (var. Kufri-Jyoti) for two consecutive years (2009-10; 2010-11) at ‘C’ Block farm of Bidhan Chandra Krishi Viswavidyalaya, Kalyani, Nadia, West Bengal. The experiment was laid out in RBD with nine treatments replicated thrice. The predominant weed flora in the experimental field of potato was Cyperus rotundas, Chenopodium album, An...
Shams Ur Rehman, Muhammad Arif and Abdul Mateen
Soil-borne viruses in major potato growing areas of Pakistan
...nt soil-borne viruses of potato were conducted in Hazara and Malakand Divi-sions during potato growing seasons in 2011-12. Incidence and distribution of Potato mop-top pomovirus (PMTV) and Tobacco rattle tobra virus (TRV) was reported on the basis of characteristic symptoms expression, bait test, infectivity assays and double antibody sandwich-enzyme linked immunosorbent assay (DAS-ELISA)....
Amitava Konar and N. Johnson Singh
Occurrence of aphids on various potato germplasms in eastern gangetic plains of West Bengal
...ics of aphids on various potato germplasms. The common potato germplasms viz Kufri Chandramukhi, Kufri Jyoti, Kufri Jawhar along with three processing varieties like Kufri Chipsona-1, Kufri Chipsona-2 and Atlantic were screened against aphids. Potato seed tuber was planted by end of November following all standard agronomic practices except insecticide application. The aphid species viz. M...
Partha Pratim Ghosh and 2N. C. Mandal
Some disease management practices for bacterial wilt of potato
...s one of the threatening potato diseases. To study the effect of some disease management practices in potato, an investigation was conducted in slightly acidic (pH 5.62) loamy sand soil with medium fertility status in a Randomised Block Design with three replicates and seven treatment modules, as described in Materials & Methods. Investigation revealed that T1 (TPS whole tuber planting) and T4 (supervised management - co...
Jawad Anwar* and Zafar Iqbal
Muhammad Zafarullah Khan*, Shah Saud Ahmad and Asif Nawaz
...2%), bottle gourd (13%), potato (34%) and squash (29%). Similarly, majority of the respondents obtained urea (73%), SSP (54%), DAP (60%) and Nitro-Phos (55%) from the FSC whereas 91%, 99% and 96% respondents obtained Micron, Supper Silica and Gypsum from the concerned dealers. It is concluded that there was a gap in invitation of farmers for general body meeting and participation in elections by FSC members. FSC administration did not fulfill its obligation re...
Liana Mihaela Fericean1* and Mihaela Corneanu2
...iod of four years on the potato and for a period of two years on the orchards from Romania. At the Aphis nasturtii species the smallest length of the body found for aphids captured in Romania was 1.10 mm, while the biggest was 2.40 mm. In the conditions of the Western part of Romania Aphis nasturtii winter egg stage started in October. On the primary host the aphids gave birth parthenogenetically to three generations of fundatrigenous. In July, t...
Hayat Badshah1, Farman Ullah1, Paul-André Calatayud2, Hidayat Ullah3 and Bashir Ahmad1
...> were tested: hibiscus, potato, okra, eggplant and tomato. Under no choice test conditions, the results showed that the % parasitism did not differ significantly between different host plants in laboratory and field conditions. In contrast under multiple choice test conditions, the % parasitism (65.00±3.75, 60.00±2.83, 51.88±1.88, 69.38±2.54, 60.63±2.80 under field conditions and 63.13±2.71, 61.25±2.60, 49.38&p...
Saeeda Raza, Muhammad Naeem Safdar, Amer Mumtaz, Nouman Siddiqui, Khalid Nasim and Muhammad Amjad*
...; containing rice, mung, potato and poppy seed was organoleptically preferred. No significant change in moisture content, peroxide value and free fatty acid were observed during three months storage in double polyethylene bags at ambient temperature (20-25 ºC)....
Saleem Abid1*, Nasir Jamal2, Muhammad Zubair Anwar3 and Saleem Zahid4
...t area and production of potato crop in Pakistan using the best fitted model. Time series data of potato area and production in Pakistan from 1980-81 to 2012-13 (33 years) were used. Five different forecasting models such as Linear trend model, Quadratic trend model, Exponential growth model, S-curve trend model and double exponential smoothing model were used to find the best fitted model for area and production of
Xia-Lin Zheng1, Pan Wang2, Jun-Yan Liu1, Yu-Jing Zhang1, Jun Li1 and Wen Lu1,*
Sonila Hassan, Abid Hussain*, Muhammad Azeem Khan** and Irfan Mahmood*
RURAL-URBAN RETAIL PRICES AND MARKETING MARGINS OF FRESH FRUITS AND VEGETABLES IN PAKISTAN
...tal marketing margin for potatoes was 84.2%, onion 130.8%, persimmon 334.8%, pear 128.6%, banana 371.7%, sweet lemon 389.8%, and guava 176.2%. The net margin to intermediaries for potatoes, onion, persimmon, pear, banana, sweet lemon, and guava was accounted at 43%, 111.4%, 316.5%, 104.5%, 353.9%, 370.8% and 152.4%, respectively....
Anum Fatima*, Saleem Abid* and Sobia Naheed*
TRENDS IN WHOLESALE PRICES OF ONION AND POTATO IN MAJOR MARKETS OF PAKISTAN: A TIME SERIES ANALYSIS
...sale prices of onion and potato in the major markets (Lahore, Hyderabad, Peshawar and Quetta) of Pakistan. Time series data about annual average wholesale prices of onion and potato were collected from 1981-82 to 2011-2012. Major findings of the study revealed that wholesale prices of onion and potato were increased with time. Results revealed that wholesale prices of onion in major market...
Partial Characterization of α-amylase Produced from Aspergillus niger using Potato Peel as Substrate
Shahzad Mahmood1, Memuna Ghafoor Shahid1, Muhammad Irfan2, Muhammad Nadeem3*, Quratulain Syed3
...id state fermentation of potato peels were done by Aspergillus niger for the production of α–amylase. The crude enzyme produced was further characterized. The results showed that enzyme had an optimum pH of 6.0 and stable in range of 4.0-6.0. Optimum temperature of enzyme was 40oC and attained 96% activity at 40oC for 70min. Metal profile showed that α-amylase activity was enhanced in the presence of Ca2...
Muhammad Siddiq1*, Sahib Alam2, Hamid Ullah Shah2, Zafar Iqbal2, Kalsoom Siddiq3 and Taufeq Ahmad4
...he sensory attributes of potato (Solanium tuberosum L.) cultivar Carola chips during three successive frying sessions. Olive and palm oils were blended in the ratios of 10:90, 20:80, 40:60 and 60:40% and the blends as well as the sole oils were used for frying of potato chips. The fried potato chips were evaluated for appearance, taste, texture, color and overall acceptability. The results...
Saman Fatima* and Shazia Iram
... generalized media, i.e. potato dextrose agar, from which six fungal colonies were also isolated and studied further. Under molecular approach direct DNA was isolated from the infected skin of sampled fruits by using CTAB method. The pathogens being identified through classical approach includes: Penicillium sp., Aspergillus flavus, Aspergillus niger, Alternaria sp., Lasiodiplodia theobromae, Fusarium sp. After sequencing of DNA the pathogen species identified...
Noor ul Ain*, Malik Muhammad Shafi and Haidar Ali*
Mohammad Wasiullah Khan1*, Abdur Rab1, Roshan Ali2, Muhammad Sajid1, Faiza Aman1, Imran Khan3, Iqbal Hussain3 and Akhtar Ali3
...ualitative attributes of potato (Solanum tuberosum L.) at Agricultural Research Institute Mingora Swat, during winter 2014. The experiment was laid out in randomized complete block design using three replications. Four K levels (00, 90, 120 and 150 kg ha-1) and three levels of Zn (00, 05 and 10 kg ha-1) were used. The various parameters studied during experiment were tuber yield (ton ha-1), total soluble solids (TTS), specific gravity and starch content. Potas...
Zafrullah Khan* and Shah Alam Khan
...cae is an insect pest of potato, feeding on phloem tissues of leaves of potato plant and significantly reduces the yield of potato. Antixenosis experiments were performed to assess the resistance potential of eight different potato cultivars against M. persicae under glasshouse conditions for three different durations of time (12, 24 and 48 hours) during...
Lichao Feng1,2, Shaoqing Zhang4, Dianyuan Chen2, Sina Adl3 and Donghui Wu1,4*
...seedlings. Additionally, potato tuber the common food used to grew the beetles that was selected as a reference to demonstrate that blooming wildflowers through their pollen and nectar can control the A. fuscicollis population and distribution around the field. The greatest number of eggs were deposited by mated couples when the pollen, or nectar mixture was offered compared to the other foods. Each of the five food sources provided a high hatching rate...
Waqas Raza*, Muhammad Usman Ghazanfar and Muhammad Imran Hamid
...tans (Mont.) de Bary) of potato was conducted in the major potato growing areas of Punjab viz., Khushab, Sargodha, Sahiwal, Okara, Jhang and Chiniot districts during the cropping seasons of 2016-2017. A total of six districts comprising of three locations in each district were surveyed for the collection of late blight infected samples. During 2016 and 2017, prevalence of disease in all the surveyed districts ranging between...
Arifa Khan1*, Shazia Erum2, Naveeda Riaz1, Abdul Ghafoor2 and Farhat Ali Khan3
...duced round shaped tuber potatoes whereas CIP13 and CIP31 produced oval shaped tubers. Most of the genotypes (CIP3, CIP8, CIP12, CIP17, CIP19, CIP22 and CIP31) produced yellow to light yellow tubers skin color. CIP28 showedbetter color, flavor and taste acceptance point. In overall acceptability of baked potatoes, CIP28 and CIP17 genotypes recorded the best results. In short, genotypes CIP17 and CIP28 recorded suitable plant...
Betül Ayça Dönmez, Sarbesh Das Dangol and Allah Bakhsh*
...evelopment of transgenic potatoes is imperative to investigate various gene functions as well as to develop robust potato varieties resistant to different biotic and abiotic stresses, specially in diploid potato and to redirect the breeding program away from tetraploids to the diploids. We aimed to develop the protocol for transformation of Solanum chacoense diploid M6
Aouicha Djebroune1*, Aissa Mokabli1, Miloud Hammache2 and Gahdab Chakali2
...="font-size: small;">The potato cyst nematodes (PCN) Globodera rostochiensis and Globodera pallida are considered as being redoubtable pests of potato crop and are subject to strict quarantine regulations in several countries. In Algeria, the potato crop is the most important food crop widely cultivated in different agricultural areas. In this investigation, the response of t...
Fazal Haq*, Asia Parveen, Safdar Hussain and Arshad Hussain
...three major crops wheat, potato and alfalfa grown in the study area and to maximize the net profit per year. The research study deals with statistical facts and figures so quantitative method of research is approached. The growers of the major crops were the targeted population and random sampling technique is used to select the sample. Self made questionnaires, filled through interviewed process from the random selected farmers were used as a tool for collect...
Muhammad Usman Ghazanfar1, Waqas Raza1*, Waqas Wakil2,3, Imtiaz Hussain4 and Misbah Iqbal Qamar1
... sucking insect pests of potato (Solanum tuberosum L.) with application of salicylic acid (SA) and β-aminobutyric acid (BABA). Concentration of SA and BABA (2, 4 and 5 mM) were applied to foliage. Application of both resistance inducers suppressed disease development by 54.1% and 67.4%, for SA and BABA, respectively, 5 days after pathogen inoculation. Numbers and size of lesions per plant was reduced by application of SA and BABA. Plants treated with BABA...
Shaheen Rahman1, Kafeel Ahmad1*, Niaz Ali2, Muhammad Idrees3 and Waqar Ali4
...d by in vitro carrot and potato discs inoculation assays. A total of seven strains of A. tumefaciens were isolated on yeast extract mannitol agar (YEMA) medium. The isolated strains were confirmed as A. tumefaciens on the basis of morphological, biochemical and pathogenicity tests. The bacterial cells were rod shaped having rounded ends. The strains were Gram positive. Results confirmed the pathogenicity of the isolated strains as shown by develo...
Saira Saleemi1*, Zafar Iqbal1, Abdul Nasir Khalid2
Muhammad Abu Bakar Siddique1, Faisal Sohail Fateh2*, Zia-Ur-Rehman1 and Humayun Saleem1
...and maize. Nutritionally potato is rich in vitamins (B1, B2 and B6), minerals (potassium, phosphorus and magnesium), pantothenic acid and riboflavin. Major potato producing districts in Punjab are Okara, Sahiwal, Kasur, Sialkot, Sheikhupura, Narowal, Lahore, Pakpattan, Jhang, TobeTek Singh and Gujranwala. Potato is attacked by a number of diseases including early blight of
Yasir Iftikhar1, Mustansar Mubeen1,2*, Waqas Raza1, Qaiser Shakeel3, Waseem Abbas1, Shehzad Iqbal1 and Ashara Sajid1
...n the present study, ten potato varieties viz., FSD white, FD 8-1, FD 71-1, Tota 704, Kuruda, FD 74-41, FD 76-24, SH 216-A, N 96-25 and FD 74-50 were evaluated against PLRV. The range of disease incidence was from 15.93% to 64.58%. Moreover, susceptible reaction was observed in five varieties (FD 71-1, Tota-704, FSD white, FD 76-24 and FD 8-1). Two varieties (Kuruda and SH 216 A) were moderately resistant, while three varieties, FD 74-41, FD 74-50 and N 96-25 ...
Salman Khan, Irfan Ullah*, Shahid Ali and Murtaza
...ed major determinants of potato yield in district Swat of Khyber Pakhtunkhwa, Pakistan. A three-stage random sampling technique was used to collect data from 100 respondents during 2018. A Cobb-Douglas type production function was used to approximate effect of determinants on potato yield. Major shares of the input cost per acre incurred in the study area were seed (Rs. 18720), followed by land rent (Rs.15890) and labors hav...
Muhammad Riaz1*, Naureen Akhtar1, Salik Nawaz Khan1, Muhammad Shakeel1,2 and Ateeq Tahir1
Neocosmospora rubicola: An Unrecorded Pathogen from Pakistan Causing Potato Stem Rot
...ause significant loss in potato production in Punjab province, Pakistan. Neocosmospora rubicola was found as a new pathogen causing stem rot of potato in the potato growing area of district Kasur. Symptoms of the N. rubicola infected potato plants were necrotic stem lesions near the collar region. Causal organism was isolated from the infected tissues, p...
Arifa Khan1*, Danish Anwar2, Shazia Erum3, Naveeda Riaz1, Shahid Riaz4, Tariq Rafique3 and Zafer Iqbal2
Screening of Exotic Potato Germplasm against Potato Virus PVX, PVY and PLRV through Biological and Serological Test (ELISA)
...ignificant yield loss of potato crop in the world including Pakistan. In this regard, 30 exotic potato genotypes were screened against the PVX, PVY and PLRV in field conditions during two seasons 2015-2016. Results showed that all the genotypes had resistance against PVX and PLRV however four genotypes (CIP-3, CIP-9, CIP-11 and CIP-14) were susceptible to PVY. Results regarding yield and tuber external quality showed that CI...
Shujaat Ali1,2*, Tariq Ahmad Jan3, Khalil Ur Rahman3, Shah Masaud Khan2, Ijaz Hussain2, Waseem Ahmad2, Qasim Ayub2, Muhammad Abbas1 and Israr Ahmad1
Effect of Room Condition on Sweetening and other Chemical Components of Different Cultivars of Potato in Swat District
...r chemical components of potato tubers in Swat District, Pakistan. Tubers of the three cultivars, Desiree Diamont and Kruda were stored at room condition in three replications for 90 days. Data was recorded at 0 day (fresh) and at 15 days interval on Reducing Sugars (RS), Total Sugars (TS), Dry Matter (DM), Total Starch (TS), and Vitamin C. The total sugars and reducing sugars increased in the first 15 days in Kruda and Diamont, whereas in Desiree, it decrease...
Muhammad Ayub1*, Munir Hussain2, Sher Ahmad2, Syed Arif Hussain Rizvi3, Shahid Hussain1, Muhammad Qasim2, Muhammad Din2, Muhammad Ishaque Mastoi4 and Tajudin2
...ive insect pest damaging potato tubers and causes economic loss of Gilgit-Baltistan. The study was conducted with an aim to develop eco-friendly management of white grub. Fermented extracts of four herbs Sophora alopecuroides, Artemisia sieversiana, Peganum harmalla and Tagetes minuta were evaluated against white grub under field conditions for two consecutive growing seasons during 2018 and 2019. The minimum per cent infestation, number o...
Bushra Baig and Saeeda Yousaf*
...ighest yield of okra and potato crops along with a healthier plant growth. The highest yield of Okra (52 kg) and Potato (272 kg)and their plant growth was recorded in plots sprayed with mix-biopesticides. It is concluded that biopesticide from these two plants could be utilized for their efficacy against various pests of okra and potato. Keeping the environmentally friendly nature of these...
Muhammad Shakil Ahmad1*, Muhammad Afzal1, Sylvain Nafiba Ouedraogo2 and Muhammad Zeeshan Majeed1
...n emerging threat to the potato crop in central Punjab and is being evidenced infesting potato crop in Sargodha, Faisalabad and Okara districts. This in-vitro study assessed the comparative feeding preference, food consumption and utilization rates and larval development of S. litura on different white and red skinned potato cultivars. Feeding bioassays revealed that all parameters includi...
Gulnaz Parveen1*, Naila Mukhtar2, Shumaila Irum3 and Nain Bukhari4
...ous vegetables including potato, carrot, okra, eggplant, turnip, cucumber, round gourd, cauliflower, and chilli. These losses result in about a 30% reduction in the yield of these vegetables. By reducing the post-harvest losses, it could be possible to overcome the need of food as the world population is in dare need of research relating to crop sustainability....
Samah A. Mokbel1, Ashraf A. Abd El-Mohsen2
...production of virus-free potato minitubers is critical. For this purpose, infected tubers with potato leafroll virus (PLRV) or potato virus x (PVX) from two cultivars Spunta or Lady Rosette as demonstrated by serological detection were used as a source for virus-free minitubers production. This achived by subjecting tubers directly to thermotherapy treatment at 36ºC, 37ºC or 38&o...
K.A. El-Dougdoug1, A.R. Sofy2, A.A. Mousa2 and E.E. Refaey2
...ic local lesions. Eleven potato cultivars
(Solanum tuberosum) mechanically inoculated with PVY isolate under greenhouse condition
were divided to three categories, resistant (Diamond, Execusa, Hermes and Valor), tolerant
(Sisi, Lady Balfor, Nikola, Ditta and Lady Rosetta), susceptible (Anabel and Spunta) based on
different external symptoms, the severity infection and virus concentration. Expressed protein
...
Rehab A. Dawood1; Entsar A. Nassar2; and K.A. El-Dougdoug 3
...h sucrose. Stem nodes of potato were successfully stored for up to 12 month at osmo-preservation medium supplemented with sucrose 50, 60 and 70 gl -1 at 210C. The survival percentage was recorded 85.1, 81.2 and 50.8 for 50, 60 and70 gl -1 respectively for 12 months at 210C. All survival plantlets revealed viability and resumed growth on fresh medium within three weeks. PVY was eliminated from infected potato plants using osm...
Samah A. Mokbel, Soad H. Taha, Mahmoud M. Abd-El Hamid, Ali H. Hamed
Badr, A. B. 1, Abou-zeid, A. A2. and Al-Naggar, A. M1.
...iments were conducted on potato (Solanum tuberosum L.cv. cara) plants during the winter season at 2011 to investigation the abnormalities changes of potato leaflets and tubers infected with Potato virus Y. Anatomical features of terminal leaflets i.e. mean of thickness both, midrib zone, leaflet blade, upper epidermal layer, palisade and spongy tissues, length and width of protoxylem and m...
Salama M. El-Saghir1, 2
...div>Background: In Egypt potato crop is affected heavily by a wide variety of viruses, viz. PVY, PLRV,
and PVX. Potato virus S (PVS), family Betaflexiviridae; genus Carlavirus) is one of the most common
potato (Solanum tuberosum L.) viruses found infecting potato worldwide. PVS was detected only
once in Egypt in 1988. ...
Maha A. El-Abhar1, Moustafa A. Elkady1, Khaled M. Ghanem2, Hussieny A. Bosila3
...It can cause problems in potato
in some regions where vectors easily move into potato fields from reservoir host, particularly if a tuber
necrosis-causing strain is involved.
Objective: : The purpose of this study is to characterize biologically and serologically AMV infecting
potato (Solanum tuberosum L.) in Egypt. Moreover, the study descri...
Allam A. Megahed, Badawi A. Othman, Samar S. El Masry, Abeer A. Faiesal and Mohamed A. Nasr Eldin
...irus M (PVM) is found in potato cultivars worldwide including Egypt. Potato
tubers are a common source of the virus during host cultivations. The yield loss can range from 15% to
45% and heavy losses can occur upon mixed infection with PVM and PVS or PVX.
Objective: The current work aims to characterize the PVM, study cytopathic effect of PVM on
potato<...
Tahsin S. Shoala1, Ahmed K. El-Attar2, Ahmed I. Abd El Maksoud3
...ne of the most important potato
pathogenic virus worldwide. PLRV belongs to genus Potyvirus, transmitted by aphids and
widespread in most potato growing areas globally, that causes huge losses in potato crop
production. PLRV management became a challenge due to the economic importance of potato
(Solanum tub...
Azra Nadeem1*, Shaukat Hussain2, Saeedullah2, Asma Akbar3, Zahoor Ahmad4, Maryam Tariq5, Robina Karim6 and Muhammad Huzaifa7
Anwar Khan1, Fareeha Nosheen2,4, Bushra Tabassum2*, Olawale Samuel Adeyinka2, Khurram Shehzad3, Naila Shahid2, Arif Muhammad Khan4 and Idrees Ahmad Nasir2
...l;">Coat protein gene of potato virus X is a structural protein that plays a vital role in viral transmission and pathogenesis. RNA interference or post transcriptional gene silencing is a regulatory conserved mechanism that uses small interfering RNAs to control the expression of desired gene by inhibiting mRNA transcription. The present study aims to investigate the potential role of different siRNAs in down-regulating the mRNA expression of
Iffat Nawaz1*, Tahseen Zeb1, Bibi Saima Zeb2 and Javaria Sherani3
Vahid Mollasadeghi1,2* and Samaneh Elyasi1,2
... effect of Pars Humic on potato cultivars Agria in Rezvanshahr city in 2020-2021 in greenhouse conditions in order to reduce the damage caused by Virus Y in potato. Pathogen-free seedlings of potatoes were propagated and grown and then transferred to sterile plastic pots with suitable soil. The randomized complete block design (RCBD) was performed in three replications. Pars Humic treatmen...
Syarif Husen1*, Devi Dwi Siskawardani2, Setiawan Deny Rexmardi1, Erny Ishartati1, Muhidin Muhidin1, Jumpen Onthong3 and Ivar Zekker4
...ddiversification.However,potato productivityin Indonesiaisconsideredlow (15tha–1)comparedto high-qualitypotatoseedsplantedby thefarmers.Inincreasingpotatoproductivity,innovativetechnologyinpotatoseed productionintubersorseedscuttingisrequisite.Thisresearchinvestigatestheeffectof growingmed...
Muhammad Musa1*, Saba Saeed2, Azher Mustafa2, Muhammad Ussama Yasin2, Saima Naseer2 and Iftikhar Haider3
...HPO4 were tested against potato leaf roll virus (PLRV) in field conditions while two nutrient solutions i.e., macronutrients (N, P, K) and micronutrients (B, Zn, Cu, Mn, and Fe) were tested against the disease under glass house conditions during the years 2018 and 2019. All plant defense activators and nutrients were sprayed thrice using three different concentrations (0.25%, 0.50%, 0.75%) with 15-days interval. Although all activators were found effective to ...
Adimabua Mike Moemeka1, Ufuoma Godstime Sorhue1*, Sylvanus Ikenna Omeje2, Lawrence Bratte2, Raphael Onainor1, Okpara Oghenesuvwe2
...ects of boiled red sweet potato meal on performance and gene expression of Insulin-like growth factor 1 (IGF-1) in growing pigs. Total of 45 growing pigs weighing 4.90 - 9.25kg were randomly allotted into five treatments of nine pigs each. Treatment one (T1) had 100% maize based diet as control, treatment two (T2) had 100% boiled red sweet potato meal, treatment three (T3) had 50% boiled red sweet po...
Auzair Javaid Butt, Irfan Ullah*, Shahid Ali, Khurram Nawaz Saddozai and Jahangir Khan
... market functionaries of potato crop in the selected villages of district Peshawar, Khyber Pakhtunkhwa Pakistan in 2019. For this purpose, a total of seventy producers, twenty wholesalers and twenty retailers are randomly selected and interviewed for data collection. From the current research it can be revealed that majority of potato growers followed the same marketing channel i.e. Producer → Wholesaler → Retailer...
Husmaini1*, Sabrina1, Firda Arlina1, Linda Suhartati1, Yozella Martilova2
...quantities. Purple sweet potato has high effectiveness against LAB growth, namely 10,771 (log10 cfu/g) with 85.34% resistance be used as a medium for LAB growth. This study aims to determine the effect of probiotics Lactococcus plantarum and Pediococcus pentasaceus using a purple sweet potato carrier on laying hen’s performance and egg quality. This study used 210 layers of medium-type laying hens, Strain Isa Brown, 3...
Waqas Raza1*, Muhammad Usman Ghazanfar1, Muhammad Asif2, Ikram-ul-Haq3, Muhammad Zakria4 and Laith Khalil Tawfeeq Al-Ani5,6
...llected during 2017 from potato growing areas of Punjab ranged from 14.94 to 47.89 µm, and mean breadth of sporangia varied from 10.44 0 to 23.67 µm. During 2018, among all districts, isolate Jhg-22 showed the highest length (46.64 μm) and breadth (22.17 μm) followed by Shl-25 (46.59 μm) and breadth (22.61 μm), Oka-24 (46.31 x 21.72 μm) while the lowest value measured by Cht-14 (16.05 x 13.39 μm). The best growth and sporulation o...
Yasemin Yıldırım Meşepınar and İlker Kepenekci*
...ext-align: justify;">The potato tuber moth, Phthorimaea operculella (Zeller) (Lepidoptera: Gelechiidae) (PTM) is the most destructive pest. One of the most successful groups of biological control agents against soil insect pests are the entomopathogenic nematodes (EPNs) in the families Steinernematidae and Heterorhabditidae. This study assessed the effects of EPNs (Nematoda: Steinernematidae) species [Steinernema feltiae (Balıkesir isolates) and Heterorhabdit...
Samina Kausar1, Rana Badar Aziz2, Muhammad Waseem3, Muhammad Ahmad3, Hamza Shafiq4, Muhammad Asim5, Usama Zia6, Sobia Afzal7, Wanpeng Xi8*, Mansoor Hameed1* and Muhammad Usman Shoukat9
...ene in sweet carrots and potatoes, lutein in marigold flowers, and capsanthin and capsorubin in crimson pepper. Zeaxanthin is protective against scalp diseases, UV and skin redness. Lycopene is a bioactive component regarding the remedy of persistent sicknesses and lowering the chance of cardiovascular illnesses or cancer. The tremendous results of carotenoids in human food have prompted numerous efforts in plant genetic engineering to supply products with gre...
I. K.A. Ibrahim1, Z.A. Handoo2† and A. B. A. Basyony1
...ochiensis on
potato. The cyst nematodes H. leuceilyma and G. rostochiensis are new records of the country and H. lespedezae on
lentil is a new host plant record in Egypt.
...
S. Fatemy†1 and H. Ghasemi2
... or none on roots of the potatoes resistant to pathotype Ro1. When cysts were exposed to root diffusates, 74% of J2 hatched in Marfona diffusate as compared to 50% in Agria, 43% in Satina and 39% in Banba diffusates....
O.S. Osunlola† and B. Fawole1
...a infected roots of sweetpotato (Ipomoea batatas (L.) Lam.) were observed for histopathology
changes included cellular disorganization in the root cortex, endodermis and vascular cells. Female nematode
displaced root cells and occupied large cavities and the surrounding cells were compressed. The nematode induced
formation of an average of four giant cells each with 7 ± 0.5 nuclei around the head of nematode close to ...
Kalsoom1, Nasir Shah2, Muhammad Ibrahim3*, Tahira Bibi1, Kazim Ali4 and Zahir Shah2
...event and Sante 8 event) potato varieties in in vitro condition. These varieties were grown on Murashige and Skoog (MS) media subjected to (0, 25, 50, 75 and 100 mM) of Sodium Chloride (NaCl). Potato varieties showed an adverse in vitro growth response to all levels of salt in MS media, while plants of all the tested varieties were dead at concentrations more than 50 mM of NaCl in in vitro condition (75, 100 mM). Variation w...
Muhammad Shakil Ahmad1, Muhammad Afzal1, Liu Yu Feng2, Muhammad Shahroaz Khan1 and Muhammad Zeeshan Majeed1*
Muhammad Adeel Qureshi1*, Raza Ahmad2, Bilal Ahmed1, Tanzim Ullah Khan1 and Muhammad Yasin3
...nd plant regeneration of potato (Solanum tuberosum L.). The experiment was carried out in complete randomized design (CRD). Leaves and internodes of potato cv. Desiree were used as explant for callus induction and plant regeneration. Two types of callus induction media (CIM) were used, i.e. CIM1 and CIM2 with concentrations of 2, 4-D 2mg/lit and 3 mg/lit respectively. Among the two different callus induction media (CIM), CIM...
S. Namjou, E. Shokoohi and Z. Lori
M. A. Amer1; M. H. El-Hammady2; H. M. Mazyad1; A. A. Shalabyl and F. M. Abo-El-abbas
A.S. Gamal El din1; Sohair I. El-Afifi2; A. S. Sadik 2; Nashwa M. A. Abd El-Mohsen1; and H. M. Abdelmaksoud1
...> virus YN isolated from potato plants cultivated at Monofyia Governorate. RNA was extracted from virus-infected tissues of D. metel leaves by the use of degenerate primers through polymerase chain reaction (PCR). Large-scale amount of PVY (N-Egypt) coat protein produced by gene expression technique in E. coli through: (I) Insertion of CP gene isolated by RT-PCR into Pinpoint Xa-l Vector by ligation and propagation after transformation process in E. coli. (2) ...
A.Y. Ahmad1, M. A. Amer2, T. A. Mostafa1, F. M. Abo El-Abbas1, and M. El-Hammady1
... collected from diseased potatoes grown at different locations in Egypt and some of their biological and molecular characters were studied using several techniques. Many different symptotypes were appeared on Chenopodium amaranticolar. Ch quinoa. Datura metal and Nicotiana tabacum cvs. Samsun and White Barley as a result of mechanical inoculation. All isolates reacted positively with monoclonal antibody specific to Potato vi...
E. K. Allam1; Kh. A. El-Dougdoug1; M. A. Amer2; A. A. Abou-Zaid2; and S. M. Amin2
... (PSTVd) was detected in potato plants grown in Egypt using return-polyacrylamide gel electrophoresis (R-PAGE) and molecular techniques. The method involved the extraction of circular nucleic acids followed by electrophoretic analysis of the extracts on 5% polyacrylamide gel. A reverse transcription-polymerase Chain reaction (RT-PCR) assay was used for the isolation and identification of PSTVd cDNA from infected plant materials using a specific primer to PSTVd...
A. S. Gamal El din1; Sohair I. El-Afifi2; A. S. Sadik2; Nashwa M. A. Abd El Mohsen1; and H. M. Abdelmaksoud1
...: justify;">The infected potato plants showed aucuba symptom characteristic to this virus (brilliant and extensive yellow mottle on lower and middle leaves reaches their tips, brown patches and sunken brown areas were frequently observed on the tubers surface) were used as a virus source. Isolation and identification of the virus was performed through studying biological, serological, and molecular characters. Electron microscopy helped for illustration Of Mor...
Tasew Getu1*, Wassu Mohammed2, Awol Seid3, Tesfamariam Mekete4 and Bekele Kassa5
...among the most important potato yield-limiting factors. This research was conducted to evaluate the effect of irrigation methods, cultivars, vermicompost (VC) and their interactions for management of the MI and RS disease complex under field conditions. The experiment was laid out in a split-split plot design with three replications. The findings indicated that the treatments and their interactions significantly (P ≤ 0.05) affected the development of MI, RS...
Md Tariqul Islam1,5 *, Aditya Chowdhury Avi1,5, Md Saiful Bari2,5, Most Rebeka Sultana Swapna Khandoker3, Homaira Pervin Heema4, Goutam Buddha Das1
...p>...
Aqleem Abbas1, Mustansar Mubeen2, Waqar Younus1, Qaiser Shakeel3, Yasir Iftikhar2*, Sonum Bashir2, Muhammad Ahmad Zeshan2 and Azhar Hussain1
...rly blight, late blight, potato leaf roll virus, potato virus Y, grey mold, mildew, crown gall disease, gummosis disease, and nematodes and pests such as insect pests, i.e., fruit fly, armyworms, apple wooly aphids, aphids, mealy bug, scales and whiteflies, and parasitic weeds are considerably affecting GB crops. These diseases and pests can jeopardize GB’s food supply if not monitored regularly. The consequences of th...
Mervat M. Fath- Allah, Amal A. Ahmed, Hala A. Amin
Aishat Adetola Anifowose*, Nkechi Betsy Izuogu and Benoit Katchitche Sossou
...cal nematicides in sweet potato production, effective microorganisms (EM) and compost manure were applied singly and in combination on two varieties of sweet potato under field and -screenhouse conditions. The trials were 2x5 (screenhouse) and 2x4 (field) factorial experiments fitted into a randomized complete block design (RCBD), respectively, and the field was naturally infested. Each pot in the screenhouse was inoculated ...
Mahmoud M.A. Youssef1, Wafaa M.A. El-Nagdi1*, Hassan Abd- El-Khair2, Usama S. Elkelany1, Mahfouz M.M. Abd-Elgawad1 and Mona G. Dawood3
...n M. incognita infesting potato cv. Spunta. Based on the percentages juvenile reduction in soil at harvest time, the combined treatments of Tv or Tvr with PP recorded 66.8 or 60.5% nematode reductions, respectively, as each fungal agent was applied in soil before planting. However, such reductions were 83.7 and 78.7%, respectively, when Tv or Tvr were used as single treatments indicating more efficacy on M. incognita populations in the absence of PP. All treat...
El-Dougdoug. K.A.1, Mervat, M. Fath Alah2, Reham A. Hassen3,Rehab A . Dawoud2
...proved to induced SAR in potato plants using bacterial and fungal contaminants in tissue culture against Potato virus Y. These biotic inducers were Pseudomonas sp., Bacillus sp., Xanthomonas sp. as well as Trichoderma, Aspergillus and Fusarium as contaminants microbial of potato micropropagative in vitro. The occurrence of induced resistance and increased potato
Bakr3 *, Youssef M.; Nour El-Din3, Hanan A.; Abd EL-Wahed2, Waiel F. and Hemeidal , Aläa A.
...ed against PLRV infected potato tissues....
El-Absawy, E.A.; Mahmoud, Amal; Hemeida, A.A. and Helmy, M.
...ses affecting cultivated potatoes in Egypt. Different potato plants were collected from an experimental station in Giza Governorate, Egypt and were tested using RT-PCR. PVY was amplified using primers represented portion of the coat protein (CP) gene and 3' untranslated regions (UTR). Phylogenetic tree showed two main strain groups: Group I regroups PVYN and PVY stains, while Group 11 includes pvy0, pvyw and PVYN:O strains. ...
Nasr-Eldin1 , M. A.; El-Dougdoug2, K. A.; Othman2, B. Ahmedi , Sabah A, and Abdcl-Azizl , S. Il.
Mohamedl , Shimaa D.; Ghareeb2, A.; El-Dougdoug , K. A. and Bekheitl , H.K.
...ext-align: justify;">The potato tuber moth Phthorimaea operculella is a potato major pest in Egypt. Larvae of P.operculella were inoculated with a granulosis virus (PoGP) showed different cytopathic effects . PoGV induced characteristic symptoms of slow motion, white milky appearance and swilling of the body. Light micrograph of PoGV infected larvae figured out several histological changes. It was found that the midgut epith...
*El-Helaly, Sahar H.; ** Ahmed, Amal A.; * Awad, M.A. and ** Soliman, A.M.'
... from naturally infected potato (Solanum tuberosum, L. cv. Spunta) plants, showing bright yellow blotching or mottling «Calico» and aucuba symptoms suspected to be due to virus infection. Leaf samples were collected from different localities in Minufyia Governorate, Egypt. AMV was readily mechanically inoculated by sap extracted from infected potato leaves to host plants (bioassay). The identity of AMV isolate wa...
Sabry Y. M. Mahmoud; Maher H. Hosseny and Mamdouh H. Abdel-Ghaffar
...ify;">Viral infection of potato (Solanum tuberosum L.) plants is very important due to their effect on potato yield and degeneration of seed tubers. This study aimed to eliminate potato virus Y (PVY) by tissue culture technique using different therapies, such as thermo-, chemo- and electrotherapies. Potato plants cv. Diamond cultivated at Faculty of Agri...
Mayada A. Abd Elgalell; B.A Othman2; Th. Radwan, 1 and Amal S.M. Abo-Sinna3
...rom soil cultivated with potato by the enrichment culture technique and signed as PPI and PP2. The phages were propagated and purified by polyethylene glycol, 6000-sodium dextran sulfate 500 two phase system. The two phages had different ultraviolet absorption spectra. Results of the lytic pattern of both phages showed that, they had a restricted host range. Particle morphology of the isolated phages was determined and it was found that the two viruses have ta...
Hanaa H.A.Gomaa1, A. F. Moustafal, Kh.A.El-Dougdoug2, A.A. Abou-Zeid3 and S. Y.M. Mahmoud4
...ses on the metabolism of potato plants. It was found that detectable decrease or dry matter, total nitrogen, tuber Starch, number of starch granules, and total protein. The nucleic acid content of infected plants increased than healthy ones. The investigated hydrolytic enzymes of amylase and protease were reduced in infected potato plants while the level of polyphenol oxidase and peroxidase was increased. PVX and PVY infecte...
Elly Roza*, Salam N. Aritonang, Yulia Yellita, Hilda Susanty, Rizqan
...y weight); P2= 30% sweet potato leaves + 30% cassava leaves + 40% of P1 + urea saka block (USB); P3 = 40% sweet potato leaves + 40% cassava leaves + 20% P1 +USB; P4 = 50% sweet potato leaves + 50% cassava leaves + USB. The parameters measured in this study were the hematology (erythrocytes, leukocytes, hemoglobin, and hematocrit) of Murrah buffalo. The results obtained in sequential studie...
ZARYAB KHALID SIAL & FARAH KHAN
...ce and identification of potato spindle tuber viroid (PSTVd) on potato plants in Pakistan. RNA was extracted and purified using optimized Trizol reagent and RNeasy Miniplant Kit. The RNA obtained was converted into cDNA on the same day and amplified. The identification of PSTVd was carried out by Sequencing and BLAST. The advanced optimized Rapid Trizol reagent method was comparatively found best and reproducible as compared...
Nadia Kèmi Assana Chabi1, Gildas Codjo Tchemadon1,2*, Olaïgbé Lydie Hounkpatin3, Paul Kouété Jimmy4 and Leonard Antoine Chaffara Afouda1
...xt-align: justify;">Sweetpotato (Ipomoea batatas L.) is a major food crop in the world and is cultivated in many African countries, including Benin. Viral infections contribute significantly in reducing the yield of sweetpotato. Therefore, this study aims to evaluate farmers’ knowledge and perception of viral diseases that can affect sweetpotato, as well as the control strategies use...
Hosts and Viruses
December
Featuring
-
Beyond Fear: A Comprehensive Exploration of Rabies Virus and Its Implications
Muhammad Wasif Gulzar, Riffat Maqsood, Muhammad Zain, Muhammad Suleman, Tayyab Ur Rehman, Sana Asif, Abdul Wadood and Jawad Hussain
Hosts and Viruses, Vol.11, Pages 09-19
-
Knowledge and Management Strategies of Farmers to Safeguard Sweet Potato (Ipomoea batatas L.) Against Viral Diseases in Benin
Nadia Kèmi Assana Chabi, Gildas Codjo Tchemadon, Olaïgbé Lydie Hounkpatin, Paul Kouété Jimmy and Leonard Antoine Chaffara Afouda
Hosts and Viruses, Vol.11, Pages 01-08
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