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Bio-efficacy of neem oil and deltamethrin against spotted boll worm Earias vittella (Fab.) (Noctuidae: Lepidoptera) on cotton (MCU 5)



Bio-efficacy of neem oil and deltamethrin against spotted boll worm Earias vittella (Fab.) (Noctuidae: Lepidoptera) on cotton (MCU 5)



Madras Agricultural Journal 77(7-8): 294-298



A study was carried out to test the effectiveness of neem oil at 0.10, 0.20, 0.30, 0.40 and 0.50% alone and in combination with deltamethrin (0.09%) on cotton under field conditions in Tamil Nadu, India, during 1986-87. Deltamethrin (0.09%) was the most effective treatment for minimizing infestation with Earias vittella (with a yield loss due to the pest of 121.33 kg/ha).

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Accession: 002036193

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