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Potentiality of intercropping in managing Diamondback moth (Plutella xylostella)

Indian Journal of Agricultural Sciences, ISSN: 0019-5022, Vol: 92, Issue: 8, Page: 1010-1014
2022
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Metric Options:   Counts1 Year3 Year

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Article Description

The present experiment was conducted at horticulture farm of Rajasthan College of Agriculture, Udaipur, Rajasthan, during two winter (rabi) seasons 2019-20 and 2020-21. The treatments include, cabbage + marigold, cabbage + onion, cabbage + garlic, cabbage + marigold + insecticides spray, cabbage + onion + insecticides spray, cabbage + garlic + insecticides spray, cabbage + insecticides spray and cabbage sole without insecticide spray as untreated control. The insecticidal treatments scheduled with two sprays, viz. first spray of chlorfenapyr 10% sc @200 g a.i./ ha and spinosad 45% sc @45 g a.i./ha. During both years, cabbage intercropped with marigold + insecticides spray proved to be the best treatment with the lowest mean DBM larval population (0.73 and 0.47 larvae/plant) and highest benefit-cost ratio (6.69 and 6.88). Additionally, the intercrops treatments, viz. cabbage + marigold, cabbage + onion and cabbage + garlic also significantly reduced the number of DBM larvae per plant as compared to the untreated sole cabbage. The different intercrops combinations evaluated had a positive effect on the cabbage crop in reducing the pest and can be taken to manage DBM in a sustainable way.

Bibliographic Details

Kuldeep Sharma; M. K. Mahla; S. Ramesh Babu; K. C. Ahir; A. Kumar; Beerendra Singh; Rupinder Singh Cheema

Indian Council of Agricultural Research, Directorate of Knowledge Management in Agriculture

Agricultural and Biological Sciences

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