S. K. Mukhopadhyay and M. V. Santha Kumar
Studies on the biosafety of botanical insecticides to native natural enemies of mulberry ecosystem
.../combinations along with dimethoate and dichlorvos on four coccinellid bio-control agents (Micraspis crocea, Micraspis discolor, Brumus suturalis and Scymnus bourdilloni ). All botanicals tested showed least mortality and was on par with unsprayed control. Dimethoate (0.1%) was highly toxic causing 100% mortality. Whereas, dichlorvos (0.1%) was least toxic in comparison to dimethoate. Bota...
Dipak Mandal, Paramita Bhowmik and M.L. Chatterjee
Evaluation of new and conventional insecticides for the management of mustard aphid, Lipaphis erysimi Kalt. (Homoptera: Aphididae) on rapeseed (Brassica juncea L.)
...am 25% WG at 27g a.i/ha, dimethoate 30% EC at 375g a.i/ha and chlorpyriphos 50% + cypermethrin 5% EC (Canon) at 375g a.i/ha. Chlorpyriphos (93.50%) found to be most effective treatment followed by chlorpyriphos + cypermethrin (92.76%), thiamethoxam (90.70%) and imidacloprid (90.46%) and dichlorvos (82.81%) showed least effective. Highest yield was recorded from chlorpyriphos + cypermethrin (18.45 q/ha) treated plot followed by thiamethoxam (17.86 q/ha), chlorp...
Muhammad Khalid Mukhtar*, Sania Waliat, Shafaat Yar Khan, Naila Amjad
...n against bifenthrin and dimethoate was 11.068 µg/ml and 8.879 µg/ml, respectively. LC50 for field strains, Bhalwal L1 and L2, against bifenthrin was 96.184 µg/ml and 130.903 µg/ml, respectively whereas against dimethoate it was 74.340 µg/ml and 84.531 µg/ml, respectively. The resistance ratios for field strains of locations 1 and 2 against bifenthrin were 8.690 fold and 11.827 fold, respe...
