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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39 For more details click here
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2019: 96.39
Index Copernicus ICI Journals Master List 2019 - IJCMAS--ICV 2019: 96.39
For more details click here

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Original Research Articles

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

Int.J.Curr.Microbiol.App.Sci.2018.7(1): 2091-2098
DOI: https://doi.org/10.20546/ijcmas.2018.701.252


Efficacy of Plant Oils and Oil Cakes against Rhizoctonia solani Kuhn Causing Collar Rot and Web Blight of Cowpea under in vitro Conditions
K.P. Aparna* and V.K. Girija
Department of Plant Pathology, College of Agriculture, Kerala Agricultural University, Thiruvananthapuram-695 522, Kerala, India
*Corresponding author
Abstract:

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.


Keywords: Antifungal, Bio-fumigant, Plant oils, Oilcakes, Rhizoctonia solani
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How to cite this article:

Aparna, K.P. and Girija, V.K. 2018. Efficacy of Plant Oils and Oil Cakes against Rhizoctonia solani Kuhn Causing Collar Rot and Web Blight of Cowpea under in vitro Conditions.Int.J.Curr.Microbiol.App.Sci. 7(1): 2091-2098. doi: https://doi.org/10.20546/ijcmas.2018.701.252