Integrated weed management in summer groundnut in Odisha

This experiment entitled above was conducted during summer 2022 at AICRP on groundnut OUAT, Bhubaneswar. The experiment was laid in RBD with twelve treatments replicated thrice comprising Diclosulam 84% WDG @ 20g and 25g a.i./ha (PE) in combination with intercultivation at 25-30DAS and Quizalofop-p-ethyl 5% EC 50g a.i./ha (POE) at 18-20 DAS; Pendimethalin 30% EC @ 1kg. a.i./ha (PE) with Quizalofop-p-ethyl 5% EC, Pendimethalin 30% EC + Imazethapyr 2% EC (Readymix) with Manual weeding at 20-25 and Quizalofop-p-ethyl 5% EC 50g a.i./ha (POE) at 18-20 DAS, Hand weeding twice at 20 and 40 DAS with Weedy check and Weed free. The yield loss was upto 61.3% in case of weedy check, registering lowest yield among all the treatments. Diclosulam 84% WDG @ 25g a.i./ha (PE) fb intercultivation at 20-25 DAS (T4) significantly reduced the weed dry matter (22.09g/m2 ) resulting in highest weed control efficiency (93.4%) and lowest Weed index (0.7%).It also recorded significantly higher plant growth and yield attributing parameter, and recorded the highest pod yield (2290.0 kg/ha), haulm yield (4340.0 kg/ha) over others with highest net returns of (Rs.71865.0/ha) and B: C of 2.26.