Author(s):

BS Vidyashree, P Murali Arthanari and E Somasundaram

Abstract: A field experiment was conducted at Eastern Block Farm at Tamil Nadu Agricultural University, Coimbatore to evaluate biomulching as weed management practices on Sunflower during Rabi, 2018-19. The experiment was carried out in randomized block design with three replications. The treatments comprised of different biomulches viz., live mulching with Sunhemp @ 40 kg ha^-1, Multi varietal crops (Navathaniyam) @ 50 kg ha^-1, Terminalia chebula powder @ 400 kg ha^-1, Mango leaves @ 4 t ha^-1, Tamarind leaf mulch @ 4 t ha^-1, Eucalyptus leaves @ 7 t ha^-1, Mustard seed powder @ 160 kg ha^-1, Neem leaves @ 2.5 t ha^-1, Two Hand weeding at 30 and 45 DAS and Weedy check @ Unmulched plot. The results revealed that application of Eucalyptus leaf mulch on the soil surface between the rows @ 7 t ha^-1 and hand weeding twice at 30 and 45 DAS was effective in controlling weeds and recorded lower weed density, weed dry weight eventually resulting in higher yield of sunflower.

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