Efficacy of different concentrations of Neem oil against Shisham defolaitor, Plecoptera reflexa Guen (Noctuidae, lepidoptera)
Efficacy of different concentrations of Neem oil against Shisham defolaitor, Plecoptera reflexa Guen (Noctuidae, lepidoptera)
Naveed Ahmed, Tanvir Ahmad Qureshi and Muhammad Hamayoon Khan
ABSTRACT
Neem oil was used in 0.5, 1.0, 2.0 and 3.0% concentrations. 100 percent mortality of shisham defoliator occurred in 3.0% concentration after one week of treatment. Maximum mortality of larvae was recorded as 33.33 % each in 2.0% and 3.0% concentration after 24 hours, 44.44% in 2.0% concentration after 48 hours and 56.11% in 3.0% concentration after 72 hours. Percent mortality was not significantly different among different concentrations of neem oil but was different significantly from control treatment.
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March 2007
Vol. 57, Iss. 1
