Influence of plant density of marigold on larval population of gram pod borer H. armigera in chickpea (Cicer arientinum L.)

Abstract

A field experiment on Influence of plant density of marigold on larval population of H. armigera in chickpea (Cicer arientinum L.) was conducted at Entomology Research Farm, PGI, MPKV, Rahuri during Rabi 2019-20 to evaluate the different planting combination of chickpea (Digvijay) with marigold in a Randomized block design (RBD) with 4 replication. All treatment combination record lowest larval population and pod damage as compare to sole chickpea crop. The lowest larval population was observed in T2 Chickpea +Marigold 3 (6:2) i.e. 2.06 larvae per meter row length. In Trap cropping with marigold maximum yield (22.54 q/ha) of chickpea was obtained from Chickpea + Marigold, 6:2 ratio. The average pod damage recorded ranged between 11.18 to 17.03%.