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Journal of Entomology and Zoology Studies
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ISSN Print: 2349-6800 | ISSN Online: 2320-7078

Journal of Entomology and Zoology Studies

2017, Vol. 5, Issue 3
Effect of sub-lethal concentration of Azadirachta indica on biology and weight of Spodoptera litura on cauliflower under laboratory conditions

Abdul Qadir Malik, Tajwar Sultana Syed, Hakim Ali Sahito, Naveed Ahmed Abbasi, Nasir Ali Jalbani, Sumbel Mureed Mastoi, Wali Muhammad Mangrio and Faheem Ahmed Jatoi

The larvae were collected from vegetable fields and reared on cauliflower leaves under laboratory conditions to check the mortality and sub-lethal effects of neem oil were comprised of different five concentrations and compared with control (distilled water) on surviving of Spodoptera litura on 4th instar larvae at constant temperature of 26±2oC and 50-60 RH%. Such doses, 2500, 2000, 1500, 1000 and 500 ppm were dissolved in one litter of water and each treatment was replicated three times. The maximum mortality was observed (50.00±5.77; at 2500 ppm)% and highest larval weight reduction (50.32±0.06; at 2000 ppm), pupal weight was highly reduced (30.43±0.93; at 2500 ppm) with the highest total life period (39.03±0.56; at 2500 ppm) thus, the lowest fertility percentage of female was recorded (56.56±1.74; at 2500 ppm) of S. litura. It was concluded that the neem oil was effective by their sub-lethal concentrations however, most preference can be given to which, caused highly sub-lethal effects on the biology of pest.
Pages : 1091-1095 | 621 Views | 26 Downloads
How to cite this article:
Abdul Qadir Malik, Tajwar Sultana Syed, Hakim Ali Sahito, Naveed Ahmed Abbasi, Nasir Ali Jalbani, Sumbel Mureed Mastoi, Wali Muhammad Mangrio, Faheem Ahmed Jatoi. Effect of sub-lethal concentration of Azadirachta indica on biology and weight of Spodoptera litura on cauliflower under laboratory conditions. J Entomol Zool Stud 2017;5(3):1091-1095.
Journal of Entomology and Zoology Studies
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