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Seasonal incidence of important insect pests of mustard and their natural enemies in relation to weather parameters, in Allahabad region



Seasonal incidence of important insect pests of mustard and their natural enemies in relation to weather parameters, in Allahabad region



Journal of Entomological Research 32(2): 109-112



Experiments conducted during 2005-06, in Allahabad, Uttar Pradesh, India, showed that the incidence of the mustard aphid Liphaphis erysimi commenced from the first week of December and peaked in the third week of January with 300 aphids/plant. The aphidophagous predators, namely Coccinella septempunctata, Coccinella transversalis and Menochilus sexmaculata (Cheilomenes sexmaculata), occurred at high densities in the last week of January (20.00 coccinellid/plant) to the first week of March.

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Accession: 023569558

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