TAILIEUCHUNG - Population dynamics and efficacy of some insectides against mustard sawfly, athalia lugens proxima (Klug.) on mustard

An experiment was conducted during rabi 2014-15 at In-check farm, BCKV, Nadia, West Bengal to study the population dynamics of mustard sawfly, Athalia lugens proxima (Klug) and efficacy of some insectides against it on mustard. The peak population of mustard sawfly was recorded in the second week of January, 2014 when minimum and maximum temperature was °C and °C respectively, the minimum and maximum relative humidity was recorded to vary between and respectively with 0 mm rainfall and Sunshine hours. Dimethoate 30% EC @ 660ml/ha was found to be most effective in reducing population of aphids also gave the highest cost:benefit ratio. | Population dynamics and efficacy of some insectides against mustard sawfly, athalia lugens proxima (Klug.) on mustard

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