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The wheat aphid species individually and collectively cause severe damage to the wheat crop qualitatively and quantitatively. The incidence of these aphids is influenced by a number of biotic factors such as host plant resistance, availability of the natural enemies and the major abiotic factors such as temperature, humidity and rainfall. In the present investigation, the incidence and abundance of wheat aphid species were recorded with rapeseed as a perimeter crop. The results showed that wheat was infested by two major aphid species, bird cherry oat aphid, Rhopalosiphum padi and green peach aphid, Myzus persicae with rapeseed as a perimeter crop. The results further suggested that the level of infestation in wheat with perimeter crop remained low compared to check, influenced by the presence of natural enemies, however, the level of infestation of M. persicae remained highly influenced by the high level of infestation in rapeseed. In light of the above experimental results we concluded that the rapeseed influenced the population of R. padi and deterred S. avenae, however, encouraged M. persicae to infest wheat crop. Get full articles at: Int. J. Agron. Agri. Res. 12(6), 109-115, June 2018.
International Journal of Agronomy and Agricultural Research - IJAAR is an open-access scholarly research journal, published by International Network for Natural Sciences. IJAAR publishes original scientific research articles in the field of Agronomy and Agricultural Sciences. IJAAR published 2 Volume and 12 issue per the calendar year.
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