Browsing MST-Department of Agricultural Sciences and Technology by Author "Mbugi, Jenard Patrick"
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The influence of nutrients and phenolic componds of cabbage collard green, lettuce and spinach on the biology of cabbage aphid brivicorgbne brassicae(h) and peach potato aphic myzus persicae (SULZ)
Mbugi, Jenard Patrick (2012-06-13)Defence of plants against pests may depend on texture and composition of the plant surface, absence of nutrients required by the pest and production of toxins or deterrents (Levin, 1971). Majority of toxins or deterrents ...