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An experiment was conducted during two consecutive years of zaid 2008 and 2009 at Agricultural Research Station, Borwat Farm, Banswara to find out optimum sowing date and suitable herbicide for weed management in summer green gram under Humid Southern Plain Zone of Rajasthan. The results revealed that the maximum seed yield (1268 kg/ha), net return (Rs. 32178/- ha-1) and B: C ratio (1.74) was observed under sowing of green gram on 15th March over sowing of green gram on 5thand 15th April, respectively. However, it was found at par with sowing of green gram on 25th March. In weed management application of Fluchloralin @ 0.75 kg a.i. /ha PPI gave significantly higher seed yield (1017 kg/ha) net return (Rs. 22164/- ha-1) and B: C ratio (1.20) over weedy check (control), but it was found at par with application of Pendimethalin @ 0.75 kg a.i. /ha PE and weed free in the pooled analysis. Sowing of green gram under different dates, the weed population m-2, weed dry matter accumulation (g m-2) and weed control efficiency at 30 DAS were found not significant with each other during both the years as well as in the pooled analysis. Application of Fluchloralin @ 0.75 kg a.i. /ha PPI gave significantly higher weed control efficiency (52.82 per cent), lowest weed population (12.39 m-2) and weed dry matter accumulation (14.53 g m-2) at 30 DAS over weedy check (control), but it was found at par with the application of Pendimethalin @ 0.75 kg a.i./ha PE and weed free in the pooled analysis.
Key words: Moongbean, Summer, Weed Management, Sowing Date.