Tanzeela Riaz1, Farah Rauf Shakoori2* and Syed Shahid Ali3
... tolerance/resistance in phosphine-tolerant populations. The level of total esterases, carboxyl esterases, choline esterases, acetylcholine esterases and aryl esterases were determined in 4th & 6th instar larvae and adult beetles of phosphine-tolerant populations (previously exposed to phosphine for 15 years) of wheat grain pest, Trogoderma granarium collec...
Tanzeela Riaz1, Farah Rauf Shakoori2,* and Syed Shahid Ali3
...mine the toxic effect of phosphine on microsomal enzymes (NADPH-Cytochrome P450 reductase (NADPH-CPR), ethylmorphine-N demethylase and aniline 4-hydroxylase) and soluble protein contents of a wheat grain pest, Trogoderma granarium collected from godowns of Punjab, Pakistan. Six populations of khpara beetle with different levels of susceptibility to phosphine were used in this study. Based on LC50...
Akhlaq Ahmad, M. Anwar Arain*, Rahila Nazli**, Syed Anser Rizvi***,
Mubarik Ahmed* and Farzana Ibrahim****
Corresponding author: dr.akhlaqahmad@yahoo.com
COST EFFECTIVENESS OF UNDER-SHEET AND WHOLE GODOWN FUMIGATION OF BAGGED WHEAT
...nt of resistance against phosphine in stored grain insect pests in Pakistan is the result of whole godown improper fumigation of bagged wheat over the past several years. Trials were conducted in 338 godowns in 8 districts of upper Sindh. Out of these, 169 godowns were selected for fumigation with phosphine inside and under polyethylene sheets, while the others for indoor space fumigation in godowns without covering wheat st...
Farah Rauf Shakoori1,*, Tanzeela Riaz2, Uzma Ramzan1, Anum Feroz1 and Abdul Rauf Shakoori2,3,*
Tanzeela Riaz*†, Farah Rauf Shakoori, Syed Shahid Ali
Toxicity of phosphine against tolerant and susceptible populations of Trogoderma granarium collected from Punjab, Pakistan
...evaluate the toxicity of phosphine to 4th, 6th instar larvae and adult beetle in phosphine resistant populations viz., Guj...
Abdul Khaliq1, Muhammad Irfan Ullah1,*, Muhammad Afzal1, Akhlaq Ahmad2 and Yasir Iftikhar3
...eus) were tested against phosphine and bio fumigants to check their fitness and potential following by F1 generation. Phosphine fitness in term of mortality mean calculated at 300 ppm was minimum against weevil but highly effective against red flour beetle after 24hours while, at 400ppm showed same resistance level in all. At 500ppm, lesser grain borer (LGB) was more susceptible as compared to others as in rice we...
Asim Munawar1,2*, Farooq Ahmad1, Aqsa Arshad1, Muhammad Ishaque Mastoi3 and Chengjuan Liang4
...against deltamethrin and phosphine. Results indicated significant difference between lab and field collected pests strains regarding their resistance mechanisms to deltamethrin as well as phosphine treatments. Field strains collected from various geographical locations were observed more resistant then lab strains. Calculated LC50 values was very less in field strains as compared to lab strains. Maximum mortality of lab and...
Bilal Atta1*, Muhammad Rizwan1, Arshed Makhdoom Sabir1, Muhammad Dildar Gogi2, Muhammad Sabar1, Bakhtawar3, Faizan Ali3 and Mehran Sarwar3
Tanzeela Riaz1, Farah Rauf Shakoori2*, Syed Shahid Ali2 and Mushtaq Ahmad Saleem1
...ct of LC20 of phosphine on carbohydrate metabolism and macromolecular concentrations in two larval instars (4th and 6th) of the khapra beetle, Trogoderma granarium, at different exposure periods (24-120 h) was determined. Two populations of khapra beetle used in this research possessed different levels of susceptibility to phosphine. Based on LC50 one population was termed a...
G. Basana Gowda*, N.B. Patil, M. Sahu, S.R. Prabhukarthikeyan, S. Raghu, G.P. Pandi, T. Adak, C.K. Swain, S. Pokhare, S.D. Mohapatra and P.C. Rath
...s that gut microbiota in phosphine resistant population inhabits phosphine degrading bacteria. The study demonstrated the differential gut bacteria in phosphine-resistant and susceptible populations in Tribolium castaneum. Phosphine bioassay of different populations of T. castaneum revealed that Jagatsinghpur (Odisha, India) population had the highest LC...
Hassan Ali1, Abu Bakar Muhammad Raza1, Muhammad Zeeshan Majeed1* and Muhammad Imran Hamid2
...nsiderable resistance to phosphine and other frequently used grain protectants. This situation necessitates looking for alternate biorational control options such as botanical and microbial insecticides. This in-vitro study assessed the anti-insect potential of four local plant extracts and two promising microbial formulations against 5th instar larvae of T. granarium. Toxicity bioassays revealed that the extracts of Citrus reticulata L. and Solanum nigrum L. ...
Muhammad Waseem Akhtar1*, Khalid Mahmood Khawar2, Muhammad Naeem Akhtar3, Muhammad Rafique1, Khalid Hussain4, Sharmin Ashraf1 and Muhammad Fida Hassan1
...is pest is controlled by phosphine fumigation and synthetic insecticides. Unfortunately, this pest has developed resistance against these pesticides. Moreover, with application of these pesticides, chemical residues may cause severe damage to non-target organisms. Host plant resistance against insect pests is considered best ecological approach to pest management. Keeping this in consideration, the current research activity is planned to screen out available g...
