Efficacy of different IPM

Field experiment was conducted during Rabi season of 2017-18 with nine modules, replicated thrice, in the ‘Randomized Block Design’ with gross plot size 4.00 m x 3.00 m.As regards with melon fruit fly infestation, the module M7 (15.82 per cent) was found most effective at1 st, 2nd, 3rd, 4th and 5 th pickings. The next best module M4 (19.43 per cent) and M5 (22.12 per cent). The module M7 (23.82 per cent) was found most superior in reducing American serpentine leaf miner population at 25, 45 and 65 days after sowing. Followed by module M4 (25.80 per cent) and M5(28.74 per cent).

6p caygaocaolon3 09-03-2020 6 0   Download

Field experiment was conducted during Rabi season of 2017-18 with nine modules, replicated thrice, in the ‘Randomized Block Design’ with gross plot size 4.00 m x 3.00 m. The module M6 (7.92 aphids/plant) was found most superior in reducing aphids population at 25, 45 and 65 days after sowing. The next best module M4 (8.57 aphids/plant) and M5 (9.16 aphids/plant).

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On farm trials in ten locations were conducted to evaluate efficacy of IPM strategies against maruka pod borer [Maruca vitrata (Geyer)] with emphasis on timely observation of the pest incidence, levels of infestation and alternation of different groups of insecticides properly so that even with repeated use of insecticides having different mode of action with an aim to see that the pest may not develop resistance against particular group of insecticides besides achieving proper management of the maruka pod borer and to create awareness among the farming community during rabi, 2014-15 to 201...

7p trinhthamhodang3 22-02-2020 10 1   Download