Beschreibung
Nishinda (Vitex negundo) leaves, stem barks and roots were sequentially extracted with organic solvents Pet spt, EtOAc, acetone and MeOH. Efficacy of these extracts was determined against adult and different larval instars of three strains of T. castaneum using residual film method. The degree of toxicity in the order was leaves Nasima Y Chowdhury, PhD: Studied Zool at the Dept of Zool, Rajshahi Univ, Rajshahi, Bangladesh. Associate Prof of Zool, Rajshahi College.Monzur Hossain, PhD: Studied Botany at the Dept of Botany, Rajshahi Univ. Prof of Botany, Rajshahi Univ.Rafiul Islam, MPhil, PhD: Studied Botany at Dept of Botany, Rajshahi Univ. Prof of Botany, Rajshahi Univ.Autorenporträt
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