Efficacy of different plant extracts against leafminer, Liriomyza huidobrensis Blanchard in potato
2021
Monica, S. S. | Vinothkumar, B. | Krishnamoorthy, S. V. | Rajendran, Lakshmanan
Field experiments were conducted to evaluate the efficacy of different plant extracts against potato leafminer, Liriomyza huidobrensis Blanchard at Ooty, Nilgiri District, Tamil Nadu. Among different treatments viz. neem oil @ 2%, neem seed kernel extract (NSKE) @ 5%, Eupatorium adenophorum @ 5%, Ruta chalepensis @ 5%, Azadirachtin 0.15 EC (Commercial formulation) @ 2500 ml.ha⁻¹ and Profenofos 50 EC @ 1000 ml.ha⁻¹, Azadirachtin 0.15 EC (Commercial formulation) @ 2500 ml.ha⁻¹ (87.38%)recorded the least percent reduction over the controland found to be more effective than other treatments followed by NSKE @ 5% (83.91%) and R. chalepensis @ 5% (82.77%), which were on par with each other and that they can be investigated further and used in leaf miner management in general, and IPM in particular, as a novel botanical for potato ecosystem.
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