Effect of different agro techniques for weed management in Pigeonpea (Cajanus cajan L. Millsp.)

Abstract

A field experiment was conducted during the rainy season of 2014-2015 on ““Evaluation of agro-techniques for yield maximization in pigeonpea [Cajanus cajan (L.) Millsp.]”” at Experimental Farm of Agricultural research station Badnapur, Marathwada Agril. University, Parbhani. The experiment was laid out in a split plot design and replicated thrice and application of Pendimethalin @ 0.75 Kg ha-1 on 3 DAE + Imazethapyr @100 g a.i ha-1 on 10-15 DAE of weeds + 1 HW on 50 DAS. To find out the crop weed association in pigeonpea, to study the weed growth, dry matter and weed control efficiency in pigeonpea to assess the extent of losses due to weeds in pigeonpea, to find out the most economic method of weed control in pigeonpea. The study found, the maximum weed control efficiency observed by INM +IWM + IPM treatments (95.61%) followed by IWM (94.61 %) and INM +IWM +IPM (88.23%). These treatments produced maximum seed yield (1565 kg ha-1) than those observed in rest of the treatment under study that might be due to weed free condition.