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 |
An attempt was made to evaluate the in vitro antifungal and bio-fumigant nature of four plant oils and oil cakes on suppression of mycelial growth of R. solani, the incitant of collar rot and web blight of cowpea. The plant oils viz., neem oil, lemongrass oil, mahua oil and tea tree oil at 5% concentration and the oilcakes such as groundnut oil cake (source: Arachis hypogaea (Linn.), neem cake (source: Azadirachta indica A. Juss.), mahua cake (source: Madhuca longifolia) and mustard oil cake (source: Brassica juncea L.) at 10% concentration were evaluated for their antifungal action by poisoned food technique and highest inhibition (100%) was obtained on incorporation of lemongrass oil, tea tree oil and mustard oil cake into the PDA medium. This was followed by groundnut oil cake and neem cake with a suppression of 79.62% and 76.29%, respectively. In the experiment to evaluate the bio-fumigant nature of tested plant oils and oilcakes, 100% suppression was noticed with lemongrass oil, tea tree oil and mustard oil cake and were statistically superior to all other treatments. Biofumigation with ground nut cake and neem cake also recorded lower values of 5.56% and 3.00%, respectively.
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