Potential of four vegetable oils and ten botanical powders for reducing infestation of cowpeas by Callosobruchus maculatus, C. chinesis and C. rhodesianus
1997
Rajapakse, R. | Van Emden, H.F.
The possible use of ten botanicals and four vegetable oils in managing the bruchid beetles of legumes, Callosobruchus chinensis, C. maculatus and C. rhodesianus, was investigated. All four oils tested (corn, groundnut, sunflower and sesame) significantly reduced the oviposition of all three bruchid species at 10 ml/kg and also significantly reduced the longevity of adults of C. maculatus and C. chinensis at this dose. Only corn and sunflower oil caused a significant reduction of longevity of C. rhodesianus at 10 ml/kg. The number of eggs laid by all three bruchid species was significantly reduced in treatments to which powders of Cymbopogon citratus, Cinnamomum camphora, Derris inudata, Monodora myristica, Zingiber spectabile or A. zerumbet had been added.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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