An experiment was conducted on screening of germ plasm against stemfly of cow pea (Vigna unguiculata L.) under randomized block design at student farm, university of Agricultural sciences, Bengaluru during rabi, 2016-17. The objective of this study was to investigate the most effective germ plasm type against the stem fly that is Ophiomyia phaseoli population. The highest number of eggs recorded in PGCP – 13. The lowest number of feeding punctures was seen in C – 152 and the genotype PGCP – 13, where the highest number of punctures was observed. | Reaction of cowpea genotypes for stemfly Ophiomyia phaseoli Tryon diptera Agromyzidae infestation
