Abstract
A field experiment was conducted during summer season of 2019-20 at the Campus for Research and Advanced Studies Dhablan ofGeneral Shivdev Singh Diwan Gurbachan Singh Khalsa College, Patiala, Punjab. A set of 12 different treatment combinations werelaid out in randomized block design with 3 replications. Different weed management practices significantly influenced weed indices,growth and economics of summer moong crop. Besides weed free treatment, weed indices like total weed population (3.13 m-2), weeddry weight (4.07 gm-2) and weed index except weed control efficiency (%) were recorded significantly minimum with applicationof Pendimethalin @ 1.0 kg ha-1 pre emergence (PE) followed by hand weeding (H.W.) at 30 date after sowing (DAS), followed by theapplication of Imazethapyr @75 gm ha-1 (PE) followed by one hand weeding at 30 DAS at all growth stages. All growth parameters viz.,plant height (36.28 cm), number of branches plant-1 (10.16) and dry weight (76.63 g) plant-1 significantly increased with application ofPendimethalin @ 1.0 kg ha-1(PE) followed by H.W. at 30 DAS. The benefit cost ratio (2.68) was significantly maximum with applicationof Pendimethalin @ 1.0 kg ha-1 (PE) followed by H.W. at 30 DAS.
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