Field Evaluation of Biorationals and Chemical Insecticides against Thrips parvispinus (Karny) (Thysanoptera: Thripidae), in Chrysanthemum
Sake Manideep, M. Muthuswami, P. S. Shanmugam, A. Suganthi & N. Manikanda Boopathi · International Journal of Plant & Soil Science · 2023
Field study was conducted to evaluate the efficacy of biorationals and chemical insecticides against black thrips, Thrips parvispinus (Karny) on chrysanthemum. Thrips population ranged from 15.33 to 13.89/flower before spraying. The efficacy of seven biorationals and seven chemic...