Articles
280 open-access articles · page 14 of 14
ReviewThe Role of Genetic Engineering in Management of Plant Parasitic Nematodes with Emphasis on Root-Knot Nematodes: A Review
Mahmoud Mohamed Ahmed Youssef, Suzan Abd-Elazeim Hassabo
Genetic engineering can be defined as the formation of new combination of heritable material (DNA) by the insertion of nucleic acid molecules produced outside the cells into any virus, bacteria, plasmid or other vector system in which they are capable of conti…
31 Dec 2020DOI 10.17582/journal.pjn/2020/38.2.179.185
Research ArticleStudy of Plant Parasitic Nematodes and Description of New Record (Rotylenchus alius) Associated with Barley (Hordium vulgare L.) in Khorasan Razavi Province, Northeast Iran
Majid Shahi Bajestani, Esmat Mahdikhani Moghadam, Reza Aghnoum, Hamid Rohani
Surveys were conducted in barley (Hordium vulgare L.) fields of Khorasan Razavi Province, Northeast Iran, during 2015-2017. A total of 120 soil and root samples were collected to examine the prevalence of Plant parasitic nematodes. In morphological and morphom…
23 Dec 2020DOI 10.17582/journal.pjn/2020/38.2.171.178
Research ArticleStatus of Phytonematodes in a Main Commercial Banana Production of Upper Egypt
Atef Mohamed El-Sagheer
The fields of banana (Musa sapientum L.) cultivations were surveyed for the prevalence of phytonematodes in Assiut governorate at middle of Upper Egypt. The encountered phytonematodes were identified during the survey belong to sixteen genera comprising sixtee…
21 Dec 2020DOI 10.17582/journal.pjn/2020/.38.2.156.160
Research ArticleDescription of Aphelenchoides acacia n. sp. and Aphelenchoides naurangiensis n. sp. (Nematoda: Aphelenchoididae) with Observation on Aphelenchoides saprophilus Franklin, 1957 from District Lakki Marwat, Khyber Pakhtunkhwa, Pakistan
Samreen Khan, Tabassum Ara Khanum, Nasira Kazi, Salma Javed, Shahina Fayyaz
Two new species belonging to genus Aphelenchoides viz Aphelenchoides acacia n. sp. retrieved from soil sample of kikar (Acacia nilotica L.), ber (Ziziphus muritiana L.) and paper flower (Bougainvillea spectabilis L.) and Aphelenchoides naurangiensis n. sp. rec…
21 Dec 2020DOI 10.17582/journal.pjn/2020/38.2.161.170- Research Article
Performance of Cereal Varieties against Cereal Cyst Nematode (Heterodera avenae)
Shahid Ahmed, Huiqing Su, Xuqian Sun, Peng Feng, Yongpan Chen, Liang Yu et al.
The soilborne pathogen cereal cyst nematode (CCN) Heterodera avenae is one of the biotic stress factors that directly affects the crop physiology from seed germination to crop maturity and limits the cereal production in different agro-ecologies of the world.…
21 Dec 2020DOI 10.17582/journal.pjn/2020/38.2.149.155 
Research ArticleVirulence and Distribution Trends of Root-Knot Nematode (RKN) Fauna on Summer Vegetables in District Bagh, Azad Jammu and Kashmir (Pakistan)
Muhammad Tariq-Khan, Syed Zanib Ali Gardazi, Abu Daud Ahmad Khan, Muhammad Ilyas, Ishaq Ahmad
Root-knot nematodes (RKNs) are important group of plant parasitic nematodes belong to genus Meloidogyne with extensive host range. A comprehensive survey study was carried out to document host and non-host plants in cultivated fields of Bagh district, Azad Jam…
11 Dec 2020DOI 10.17582/journal.pjn/2020.38.2.139.148
Research ArticleSoybean Genotypes Response to Root-Gall Nematode
Ashraf Ismail Afia, Ahmed Soliman Mohmed El-Nuby
twenty local and imported soybean (Glycine max) genotypes were evaluated for susceptibility to root-gall nematode (RGN), Meloidogyne incognita race 2, under greenhouse conditions. Significant differences among the genotypes resistance degrees were achieved. Su…
11 Dec 2020DOI 10.17582/journal.pjn/2020.38.2.130.138
Research ArticleDescription of Seven New Species and One New Record of Plant-Parasitic Nematodes (Nematoda: Tylenchida) Associated with Economically Important Crops of Kashmir Valley, Jammu and Kashmir (Part-1 of the series)
Zafar Ahmad Handoo, Mihail Radu Kantor, Ekramullah Khan
During the survey of soil and plant-parasitic nematodes of vegetable and fruit crops of Kashmir valley, Jammu and Kashmir, seven new species and one new record of following species were recovered: Helicotylenchus siddiqii sp. nov. from soil around roots of Gly…
22 Nov 2020DOI 10.17582/journal.pjn/2020/38.2.110.123
Research ArticleCompendium of the Genus Psilenchus de Man, 1921 (Tylenchida: Psilenchidae)
Yawar Iqbal Erum, Hussain Sagir, Kazi Nasira, Fayyaz Shahina
The compendium of the genus Psilenchus de Man, 1921 comprised of 19 species based on the characteristics of the total body length, ratio of a, b, c, c’, V%, stylet, MB, head shape, tail length, DGO, oesophagus, excretory pore, spicules and gubernaculum.…
22 Nov 2020DOI 10.17582/journal.pjn/2020/124.129- Articles
Diversity of nematode fauna associated with cotton fields of high temperature areas of Sindh, Pakistan
A.N. Ashfaque, F. Shahina, S. Dawar
Diversity of nematode fauna in relation to their occurrence in high temperature cotton growing areas of Sindh by using Euclidean distance has been estimated. The fauna obtained in June2017 and June 2018 surveys of cotton fields of five Districts Sanghar, Mirpu…
29 Jul 2020DOI 10.18681/pjn.v38.i01.p25-35 - Articles
Biochemical and molecular characterization of Photorhabdus akhurstii associated with Heterorhabditis indica from Meerut, India
Kajol, A. H. Bhat, Aasha, A. K. Chaubey
A population of Heterorhabditis (DH3) was isolated from agricultural fields from Meerut district, India by insect baiting technique. The isolate was identified as Heterorhabditis indica based on morpho-taxometrical and molecular analyses. The present populatio…
29 Jul 2020DOI 10.18681/pjn.v38.i01.p15-24 - Articles
Evaluation of media for mass production and fermentation of Pseudomonas spp. for integrated management of cereal cyst nematode (Heterodera avenae)
S. Ahmed, L. Yue, Q. Liu, H. Jian
In this study investigation of different carbon and nitrogen sources in various types of media compositions was made to optimize the fermentation and mass production of Pseuodomonas spp. Among all the media compositions, the suitable media containing car…
29 Jul 2020DOI 10.18681/pjn.v38.i01.p45-55 - Articles
Evaluation of biological seed treatments for management of Rotylenchulus reniformis on cotton
U. A. Al-Karim, A. A. Alshimaysawe, A. E. Mohammed, W. A. R. Aljaafri, F. A. Al-Fadhal
Greenhouse experiments were conducted to assess the effectiveness of potential biological control products to manage and evaluate the development of Rotylenchulus reniformis on cotton. Tests included seeds treated with the Abamectin, ILeVo, and a non-tre…
29 Jul 2020DOI 10.18681/pjn.v38.i01.p57-65 - Articles
Control of root-knot nematodes using wild plants colonized Sinai, Egypt
A. S. M. El-Nuby, S. A. Montasser, I. A. El-Khadrawy
The antinematodal activity of some wild plant extracts located in North and South Sinai, Egypt was examined against root-knot nematode (RKN). The selected seven plants viz., Artemisia judaica, A. monosperma, Bassia muricata, Cornulaca monacantha, Salsola…
29 Jul 2020DOI 10.18681/pjn.v38.i01.p67-80 - Articles
Description-of-new
H. Soofi, N. A. Birmani, A. M. Dharejo, A. R. Abbasi, G. S. Ghachal
New nematode species of genus Rhabdochona collected form host catfishes Rita rita of Indus River, Jamshoro, Sindh, Pakistan. Collected nematodes were processes with standard method for feature research. New species Rhabdochona (Rhabdochona) sindhicus dif…
29 Jul 2020DOI 10.18681/pjn.v38.i01.p81-91%09 - Articles
Occurrence of entomopathogenic nematodes in Osun State, Southwestern Nigeria
M. Rufai, A. A.Wahab, Q. O. Adeshina, J. C. Umehokoh, O. O.Ologunro
In this study the occurrence of entomopathogenic nematodes (EPNs) was determined in three senatorial districts of Osun State in relation to soil texture, vegetation, moisture and pH. A total of 110 soil samples were randomly collected from various cultiv…
29 Jul 2020DOI 10.18681/pjn.v38.i01.p37-43 - Articles
Biochar-effect-on
K. Osei, A. I. Adama, E. C. Tagoe, J. Sackey-Asante
Okra (Abelmoschus esculentus L. Moench) is an economically valuable crop in Ghana for its culinary significance and income generation potential. Agricultural production worldwide is constrained by abiotic and biotic factors. Chemical fertilizers are usua…
29 Jul 2020DOI 10.18681/pjn.v38.i01.p103-106 - Short Communication
Effect-of-some-temperature
M. M. A Youssef, W. M. A. El-Nagdi
Plant parasitic nematode are known to be sensitive to some climatic changes such as temperature, and most stages of nematodes may be killed when exposed to temperatures above 40°C (Santmayer,1955). Hence, during the study, the effect of temperature c…
29 Jul 2020DOI 10.18681/pjn.v38.i01.p107-109 - Articles
Description of Discolaimus miniodontii n.sp. and Laevides hunderansis n. sp. with notes on Discolaimoides spatilabium (Nematoda: Dorylaimida) from District Ghizer, Gilgit-Baltistan, Pakistan
I. Erum, K. Nasira, H. Sagir, S. Raza, Firoza
Soil samples collected from District Ghizer, Gilgit, Baltistan, Pakistan, yielded two new and a known nematode species of the order Dorylaimida viz., Discolaimus miniodontii n. sp. and Laevides manilkarii n. sp.; and a new report of a known species Discolaimoi…
29 Jul 2020DOI 10.18681/pjn.v38.i01.p1-13 - Articles
Chitinase activity of biocontrol fungi cultured from the golden potato cyst nematode, Globodera rostochiensis
K. Abbasi, R. Wick, D. Zafari
One hundred and fifty-four fungal isolates were compared for their ability to degrade chitin by the N-acetylglucosamine-dinitrosalicylate method. Ten isolates with high chitinase activity were selected for further characterization. Of the 10 selected iso…
29 Jul 2020DOI 10.18681/pjn.v38.i01.p93-101