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Journal of Entomology and Zoology Studies
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ISSN Print: 2349-6800 | ISSN Online: 2320-7078

Journal of Entomology and Zoology Studies

2014, Vol. 2, Issue 6
Lethal effects of Anarcadium occidentale (L.), Carica papaya (L.)and Azadirachta indica (A. Juss) leaf powders on Sitophilus oryzae (L.) in rice grains

Akunne C.E., Obiefuna O.I. and Ononye B.U

Bioinsecticides prepared from three plant species, Anarcadium occidentale (cashew), Carica papaya (pawpaw)and Azadirachta indica (neem) were used against adult rice weevil, Sitophilus oryzae on rice grains respectively. The leaf powders were applied separately on rice grains in the concentrations of 0 g (Control), 5 g, and 10 g respectively. They were evaluated under ambient laboratory conditions Mortality of adult S. oryzae were taken daily for a period of 21 days and compared with the control. All concentrations recorded higher mortality than the control. The leaf powders of A. indica and A. occidentale caused the highest mortality at 10g concentration in treated rice grains. The analysis of variance result showed that there was significant difference between mortality caused by A. indica and the control (P<0.05).
Pages : 144-146 | 1206 Views | 10 Downloads
How to cite this article:
Akunne C.E., Obiefuna O.I., Ononye B.U. Lethal effects of Anarcadium occidentale (L.), Carica papaya (L.)and Azadirachta indica (A. Juss) leaf powders on Sitophilus oryzae (L.) in rice grains. J Entomol Zool Stud 2014;2(6):144-146.
Journal of Entomology and Zoology Studies
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