Studies on bionomics of aphids species on canola crop (Brassica napus) sown under different farming systems
Paper Details
Studies on bionomics of aphids species on canola crop (Brassica napus) sown under different farming systems
Abstract
Canola (Brassica napus L.) is considered as one of the favorite host for the aphid species i.e. Brevicoryne brassicae, Myzus persicae and Lipaphis erysimi (Homoptera; Aphididae). The current studies were carried out to investigate the variations in the life history traits of these aphid species on Brassica napus, grown in the field under two different treatments i.e. synthetic fertilizer and farm yard manure. The result showed the significant differences in life history traits of aphids species studied on canola crop. The nymphal longevity period of all three tested species i.e. Brevicoryne brassicae, Myzus persicae and Lipaphis erysimi was more in fertilizer application treatment as compared to farm yard manure application treatment. Similarly average no. of nymphs was high in fertilizer application treatment rather than in farm yard manure application. All other life history traits studied i.e. Pre reproductive period, reproductive period, post reproductive period and total life span were greater in fertilizer application treatment. So high doses of fertilizer application poses a great threat of aphid attack on canola crop. Thus balanced dose of farm yard manure and fertilizer application is recommended as to avoid the crop from pest attack.
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Qaisar Abbas, Mussurrat Hussain, Muhammad Hassnain, Muhammad Shahid, Ali Raza, Hammad Hasnain, 2017. Studies on bionomics of aphids species on canola crop (Brassica napus) sown under different farming systems. Int. J. Biosci., 11(4), 343-349.
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