National Academy of Agricultural Sciences (NAAS)
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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcmas@gmail.com / submit@ijcmas.com Editor-in-chief: Dr.M.Prakash Index Copernicus ICV 2018: 95.39 NAAS RATING 2020: 5.38 |
A field experiment was conducted at the research plot of the Department of Plant pathology, SHUATS, Prayagraj, U.P. during the rabi season of 2018-19 to observe the practices for Effect of green manure amendments and spray of spices extract on purple blotch disease of onion (Alliumcepa L). A survey was conducted during Rabi season 2018 in Prayagraj district of U.P. Maximum disease severity was noticed at Champatpur village (48.33%) and minimum disease severity was noticed Piparsa (25.66%) in Prayagraj district. A total of seven spices treatments namely Black cumin, Bay Leave, Ajowan, Neem, Tobacco, and Carbendazim including control (green manure) were replicated three times. Results showed that among all the treatments, carbendazim 50%WP @ 1500g/ha (20.67%) was most effective treatment in reducing purple blotch intensity in field condition. The spice extracts were evaluated at 10% concentration in the laboratory for their efficacy against the A. Porri by following Poisoned food technique. Among the five spices tested, all the spices showed inhibition of A. porri at varied level. Maximum inhibition was shown by tobacco (41.67%) and minimum by Ajowan (34.60%).
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