Protection of stored cowpea from Callosobruchus maculatus (F.) attack by some plant extract formulations in different storage sacks
2007
Dimetry, N.Z.,National Research Centre Dokki, Cairo (Egypt). Dept. of Pests and Plant Protection | El-Gengaihi, S.,National Research Centre Dokki, Cairo (Egypt). Dept. of Medicinal and Aromatic Plants | El-Salam, A.M.E.,National Research Centre Dokki, Cairo (Egypt). Dept. of Pests and Plant Protection
The efficacy of different formulations of the Citrullus colocynthis active ingredients in powder or emulsifiable concentrate in cowpea stored in different storage sacks (damour, polyethylene, gunny plastic and jute) protection against Callosobruchus maculatus (F.) attack was evaluated. All the formulations used were effective bioinsecticides against C. maculatus. They secured considerable protection for the stored seeds for different periods, depending on the kind of storage sacks and the kind and the formulation rate used. All the tested formulations reduced the number of eggs laid in comparison to control. Powdered formulation of alcohol and chloroform extracts of C. colocynthis, applied at the doses of 8 and 16 g/kg of seeds and 16 g/kg, respectively, were superior in comparison to other formulations used, at the oviposition deterrent index (ODI) was 100 percent. Moreover, no adult C. maculatus was recorded during seven months of storage when damour sacks for storing cowpea seeds treated with alcohol or chloroform extract powder formulations were used. Different formulations used had no adverse effect on seeds' germination
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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