Efficacy of Chromolaena odorata leaf powder and Beauveria bassiana against stored grain pests Kalita Surajit, Hazarika Lakshmi Kanta*, Das Purnima, Das Karishma Department of Entomology, Assam Agricultural University, Jorhat, 785013 *Corresponding author Email: lkhazarika@yahoo.com
Online published on 23 October, 2018. Abstract Toxicity study of Chromolaena odorata (L.) King & H. Rob. (Asteraceae) leaf powder @ 25 g/kg along with Beauveria bassiana (Bals.) Vuill. (Deuteromycetes) @12.5 g/kg revealed 100 and 50 adult mortality of Sitophilus oryzae (L.) (Coleoptera: Curculionidae) and Tribolium castaneum (Herbst), (Coleoptera: Tenebrionidae) at 20 days after treatment; C. odorata @100 g/kg gave highest mortality of 29.67% in the 1st instar larvae of Corcyra cephalonica (Stainton) (Galleriidae: Lepidoptera) at 20 days after treatment. Thus C. odorata leaf powder was found to be having insecticidal and repellency properties. Top Keywords Chromolaena odorata, leaf powder, Beauveria bassiana, efficacy, Sitophilus oryzae, Tribolium castaneum, Cocyra cephalonic. Top |