Impact of different broad spectrum herbicides on seed and stover yields of chickpea crop (<em>Cicer arietinum </em>L.)

Abstract

The present investigation “Impact of different broad spectrum herbicides on seed and stover yields of Chickpea Crop (Cicer arietinum L.)” was carried out during Rabi season in 2015-16 and 2016-17 at Instructional Cum Research Farm of IGKV, Raipur (Chhattisgarh). The soil of experimental field was clayey (Vertisols) in texture, locally known as “Kanhar” which was low, medium and high in available N, P2O5 and K2O, respectively. The experiment was laid out in Randomized block Design with three replications. The experiment conducted with Chickpea (Cicer arietinum L.) variety ‘Vaibhav’ was grown as test crop consists of eleven different herbicides treatment. It was found non significantly difference between plant population at 20 DAS and significance difference between at harvest stage during both the years and on mean basis. The maximum plant population at harvest was recorded under treatment weed free hand weeding at 20 and 40 DAS and minimum was recorded under weed check. Seed yield, stover yield and harvest index found significantly different between all the treatments. Treatment weed free (hand weeding at 20 and 40 DAS) recorded maximum seed yield (1806.27 kg/ha and 1994.40 kg/ha) and minimum (440.67 and 467.07) was in weedy check. Highest stover yield (2985.47 and 3124.4) was obtained under Pendimethalin 30 EC @ 1.0 kg ha-1 PE +one hand weeding at 30 DAS) while lowest under weedy check during both the years and on mean basis. Higher harvest index (39.95 and 40.66) recorded under weedy (hand weeding at 20 and 40 DAS) and minimum (18.60 and 18.66) under weedy check.