The effect of certain pre-emergence herbicides on the gowth and yield of two bunch groundnut varieties was field tested. The chemical weed control methods increased plant growth in terms of leaf area and dry matter. The chemical treatments gave higher pod yields in both the varieties by better weed control efficiency. The chemical treatments were compared with hand weeding given twice on 15 and 40 DAS. Among the chemicals-imazethapyr at 2.30 kg ha" gave higher yield through effective weed control.
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Tamil Nadu Agricultural University
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