TENDENCY OF CERTAIN PULSE SEEDS TO CALLOSOBRUCHUS MACULATUS (F.) AND CALLOSOBRUCHUS CHINENSIS (L.) INFESTATION
2009
The seeds of six different species of common pulses were examined as hosts of two bruchid beetles, Callosobruchus maculatus (F.) and C. chinensis L. under controlled conditions of 30±2ºC and 65±5% R.H. Deposited eggs, Hatched eggs, numbers and weights of emerged adults and also the total developmental period from the deposited eggs to adults emergence were estimated. Results obtained indicated thatcowpea seeds were the most favorable for feeding the two tested bruchid beetles, followed by faba bean seeds, while insect infestation was not observed on common bean and soybean seeds for either bruchid species.Results also revealedthat C.maculatus deposited more eggs on all tested leguminous seeds and gave more emerged adults with heavier weights than C. chinensis.
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