الفهرس | Only 14 pages are availabe for public view |
Abstract Cotton plantation is one of the most economio ones in Egypt. Cotton plants are infested with pests such as cotton leaf worm, boll worms and spider mites. At the end of season, certain damages occur due to the heavy infestation of spider mite. It is known that the low dosages of some acarioides affect the fecundity, hatchability of eggs and longevity of mobile stages. Therefore the present study was conducted to evaluate:1) The effect of seven pestioides on the toxioity of two spotted spider mite tetranychus cinnbarinus (Boisd.) for the different s~oeptible stages and the effect of treatment of each stage on susoeptibility of the subsequent stage, |