Abstract
The on farm trial (OFT) conducted to manage whitefly Krishi Vigyan Kendra, Lunkaransar of Bikaner (Rajasthan) for the two consecutive years during Kharif, 2019 and 2020 indicated maximum per cent reduction of 82.70 and 88.75 during Kharif 2019 and 2020, respectively in whitefly population at recommended practices of spray with pyriproxyfen 10 EC (@ 01 litre ha-1). Minimum percent reduction of whitefly population (73.26 and 75.58 per cent) during Kharif 2019 and 2020, respectively was recorded under the farmers practices (T2 spray of acetamiprid 20 SP @0.4 g litre-1). The maximum benefit cost ratio, 3.19 and 4.15, was obtained in the recommended practices while it was minimum in farmer’s practice 2.41 and 3.29 during kharif 2019 and 2020, respectively.
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