1Department of Plant Pathology, Agricultural College and Research Institute, Tamil Nadu Agricultural University (TNAU), Madurai625104, Tamil Nadu, India
2Department of Rice, Agriculture College and Research Institute, TNAU, Coimbatore641003, Tamil Nadu, India
3Department of Fruit Crops, Horticulture College and Research Institute, TNAU, Periyakulam625604, Tamil Nadu, India
4Department of Plant Protection, Horticulture College and Research Institute, TNAU, Periyakulam625604, Tamil Nadu, India
Department of Agricultural Entomology, Agricultural College and Research Institute, Tamil Nadu Agricultural University (TNAU), Madurai625104, Tamil Nadu, India
*Email: sndpkmr007@gmail.com (corresponding author)
Tomato pin worm Tuta absoluta (Meyrick) is one of the most destructive pests causing damage to tomato. This field study undertaken in a randomized block design evaluated seven treatments during kharif, 2019 at farmers field in Theni district. The insecticides evaluated include- chlorantraniliprole 18.5SC 0.3ml/ l, spinosad 45SC 0.3ml/ l, indoxacarb 14.5SC 1ml/ l, Bt var. kurstaki HD1 2g/ l, Bt var. kurstaki HD73 2g/ l and Dipel at 2ml/ l. Chlorantraniliprole was observed to be the best with 81.48% reduction in incidence. In comparison, 80.58 and 79.10% reduction were observed with B. thuringiensis var. kurstaki HD1 and spinosad, respectively; and B. thuringiensis var. kurstaki HD73 was the least effective.
Tuta absoluta, Bacillus thuringiensis, Chlorantraniliprole, Spinosad, Indoxacarb, Efficacy, Incidence, B. t. kurstaki, Farmers’ field
