Abstract
Abstract The trial was conducted to find out the population trend of Lipaphis erysimi (Kalt) at The Agriculture University of Peshawar the experimental farm during cropping season 2013.Eight different brassica lines WASTER 209, VANGARD 210, GANYOU 211, CRUSHER 212, OSCAR 213, RAIMBOW 214, TORCH 233 and LEGEND 248 . The data showed that the infestation of aphid started invariably in all cultivars during 2nd week of November 2013 (observed at first time). The highest population of 6.0 aphids per leaf was noted during first seven days of December and on the other side in contrast the minimum number of 1.1 aphid per leaf was collected during November 2nd week
Atif Ali1, Aqil Hussain2 , Amir Zaman Shah3. (2019) Population Trend of Canola Aphid, Lipaphis erysimi (Kalt) (Homoptera: Aphididae) On Different Brassica Lines, Balochistan Review, Volume 2, Issue 2.
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