Comparative study of effect of insecticides chlorfenapyr 240 SC, Cyantraniliprole 10.26% OD and dimethoate 30% EC on leaf minor of tomato in Malwa region of Madhya Pradesh

Abstract

Tomato leaf minor was present throughout the crop duration; larvae can infest leaves flowers etc. causing important losses in Tomato. This study was carried out in College of Agriculture, Indore field. The population counted on 5 plants at 1, 3, 5, 7 and 10 day after each spray. Efficacy of Chlorfenapyr 240 SC 480 ml/ha was show more reduction in leaf minor population as compared to Cyantraniliprole and Dimethoate. The treatement T5-Chlorfenapyr 240 SC show high population reduction (93.00%) followed by T4-Chlorfenapyr 240 SC @ 288 g a.i./ha (90.91%), T3-Chlorfenapyr 240 SC @ 240 g a.i./ha (90.46%), T6-Cynantraniliprole 10.26% OD 100 ml/ha (89.70%), T2-Chlorfenapyr 240 SC @ 192 g a.i./ha (89.40%), T7-Dimethoate 30% EC @ 150 gm/ha (88.43%). The less reduction in population of leaf minor was found in T1-Chlorfenapyr 240 SC @ 144 g a.i./ha (86.45%) as compared to untreated control. The higher fruit yield also recorded in T5-Chlorfenapyr 240 SC @ 480ml/ha (32 t/ha) followed by T4- Chlorfenapyr 240 SC @ 288 ga.i./ha (27 t/ha).