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An field experiment was conducted in two consecutive year (Spring 2015 and 2016) at NawabGanj Farm of C. S. Azad University of Agriculture and Technology, Kanpur 208002 (U.P.). The Shoot fly (egg/plants) on maize appeared in both year (Spring 2015 and 2016) from 7th to 13th standard week and the highest egg laying was found in 11th S.W. (2.83egg/plant) in above years. Stem borer, Chilo partellus (Swinhoe) dead heart was observed from 8th to 16th standard week after this period there was no newly dead heart was found till the crop harvested. | Population dynamics of major insect-pest and natural enemies on maize crop
