1Post Graduate Department of Entomology, Bihar Agricultural University, Sabour, Bhagalpur-813210. Email: rkipm06@gamil.com
2Department of Entomology, College of Agriculture G.B. Pant University of Agriculture and Technology, Pantnagar-263145
Online published on 12 June, 2017.
As laboratory experiments were carried out to find the fumigant toxicity of 17 essential oils extracted from locally available plants against four storage insect pests, Sitophilus oryzae, Rhyzopertha dominica, Tribolium castaneum and Callosobruchus Chinensis in wheat and gram. The essential oils from Allium sativum, Artemisia annua, Callistemon citrinus, Chenopodium botrys, Cinnamomum zylanicum, Citrus reticulata, Cuminum cyminum, Foeniculum vulgare, Murraya koenigii, Pinus roxburghii, and Piper nigram were found highly effective against all test insects at 0.2 and 0.4%. The essential oil of Lantana camera, Cinnamomum tamala and Curcuma longa were found highly effective against R. dominica, T. castaneum and C. chinensis at 0.4% concentration.
Sitophilus oryzae, Rhyzopertha dominica, Tribolium castaneum, Callosobruchus chinensis, plant extracts, toxicity
