Abstract: The population dynamics of mustard aphid Lipaphis erysimi (Kalt.) on three verities Varuna, Rohini and Vardan which were selected to carry out during the Ravi crop season 2004-2005 at mustard crop field and the insectary of department of the D.V. (P.G.) College Orai. The investigation on ecological studies of mustard aphid to study its economics injury and threshold level for making judicious and timely use of plant protection technology. The study will provide an opportunity to fact the pest challenge by manipulating the manageable ecological parameter in the farm of planting or harvesting time adjustment, varietals selection and economic injury level and economic threshold of aphid on variety Varuna, Rohini and Vardan.
Title: Economic Injury and Threshold Level of Lipaphis Erysimi (Kalt.)
Author: A. K. Saunakiya, N. Tiwari
International Journal of Life Sciences Research
ISSN 2348-3148 (online), ISSN2348-313X (Print)
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