Efficacy of Some Insecticides Aganist Invasive Pin Worm Tuta absoluta (Meyrick) and Red Spider Mite Tetranychus urticae (Koch) on Tomato
DOI:
https://doi.org/10.55446/IJE.2022.446Keywords:
Tomato, Tuta absoluta, Tetranychus urticae, chlorantraniliprole, spiromesifen, insecticides, live mines, fruit damage, combinationAbstract
The pin worm Tuta absoluta (Meyrick) and red spider mite Tetranychus urticae (Koch) are major pests of tomato. A field experiment was carried out to evaluate the effectiveness of some insecticides against these at the College of Agriculture, Vijayapura, UAS, Dharwad. The results revealed that chlorantraniliprole 18.5%SC led to least number of larvae (1.60/ plant), live mines (1.26 live mines/ plant) and less fruit damage (2.06%) at fifth day of spray. Spiromesifen 22.9%SC led to significantly less number of mites (1.01/ square inch of leaf area) at third day of spray. The combination treatment of chlorantraniliprole 18.5%SC @ 0.15 ml/ l followed by spiromesifen 22.9%SC @ 0.5 ml/ l was found to be the best to manage both the pests.
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