Nawlesh Kumar*
Department of Zoology, Magadh University, Bodh Gaya, Bihar, India
Received : 12th February, 2020 ; Revised : 03rd March, 2020
Abstract: Ocimum sanctum is the most popular medicinal plant with religious and sacred value. It has also unidentified but speculated insecticidal property to kill the insect pests of the stored grain products. The traditional use of tulsi powder vanalogous to that of neem has yielded considerable pest control result. As such in the present study, the efficacy of tulsi leaf powder in dried condition on the stored gram pest, Callosobruchus maculatus has been tested experimentally in the laboratory condition on newly emerged adults propagating on fresh gram seeds. Higher dose of sprinkling of the powder has been found to disrupt the growth & reproduction of the pest upto 70-80% (50mg::10 adultsboth male & female:: 8 mortality at 30oC & 40% RH). Whereas the lower quantum powder sprinkling resulted only 20- 30% pest control. (10mg::10 adults-both male & female::3 mortality at 30oC & 40% RH).
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