Laboratory studies on the comparative effect of neem oil (Azadirachta indica) and insecticides on Trichogramma chilonis (Ishii)
2012
Naeem, M. (KPK Agricultural Univ., Peshawar (Pakistan)) | Farid, A. (Nuclear Inst. for Food and Agriculture, Peshawar (Pakistan)) | Khan, M.H. (Nuclear Inst. of Agriculture, Tandojam (Pakistan)) | Ali, S.K. (Pakistan Tobacco Company, Mardan (Pakistan))
The results of Trichogramma exposed to toxicants showed that the maximum percent mortality was recorded with Methamedophos (94.42%) followed by Ripcard (93.73%). Among different concentrations of neem oil, the mortality of Trichogramma was maximum (93.25%) with 5% neem oil and minimum (59.37%) with 0.5% neem oil compared to other treatments. Emergence time was not significantly different in all treatments of neem oil. Females ratio was maximum (75%) with 5% neem oil. In the 2nd experiment minimum Trichogramma mortality of 34.57% was caused by 0.01% neem oil. Emergence time did not differ significantly in all treatments of neem oil except neem oil at 1.5% in which it was maximum (10.12 days). Longevity was maximum (2.17 days) with 0.25% neem oil and minimum (1.83 days) with neem oil 1%.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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