Management of leaf eating caterpillar, Spodoptera litura (Fab.) through biointensive components in cabbage
A study on the management of leaf eating caterpillar, Spodoptera litura (Fab.) through bio-intensive components in cabbage was carried out at Kittur Rani Channamma College of Horticulture, Arabhavi, University of Horticultural Sciences, Bagalkot, Karnataka, India, during rabi 2019-20. Among the various bio-intensive components evaluated, novaluron 10% EC @ 1ml/l and Nomuraea rileyi 1×108 cfu/g @ 2g/l were found to be significantly more effective. Next best treatments in the order of efficacy were Neemazal 10,000 ppm @ 2ml/l, neem seed kernel extract (NSKE) 5% followed by chlorpyriphos 20 EC- Poison bait (RPP) and SlNPV @ 500 LE. Spraying of novaluron 10% EC @ 1ml/l and N. rileyi (2×108 cfu/g) @ 2 g/l twice, 30 days after transplanting at 10 days interval recorded lowest S. litura larval incidence and highest cabbage yield of 28.56 and 26.63 t/ha and highest benefit: cost ratio of 2.81 and 2.67 respectively. Hence it can be recommend as effective and eco-friendly components for the management of Spodoptera litura in cabbage
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