Bioefficacy of Botanicals against Exserohilum turcicum causing Leaf Blight of Sorghum

Singh Vaibhav, Singh Yogendra*

Research Articles | Published:

Print ISSN : 0970-4078.
Online ISSN : 2229-4473.
Website:www.vegetosindia.org
Pub Email: contact@vegetosindia.org
Doi: 10.5958/2229-4473.2015.00049.X
First Page: 148
Last Page: 152
Views: 1280


Keywords: <I>Exserohilum turcicum</I>, garlic, jatropha, neem, sorghum leaf blight.


Abstract

Ten plant extracts obtained from differ-ent plant parts were evaluated against sorghum leaf blight pathogen Exserohilum turcicum for determining their efficacy. Among the tested ex-tracts, garlic was found most effective in sub-stantially suppressing the radial growth of the pathogen by 60.77%, followed by jatropha (59.66%), neem (52.22%), tulsi (50.00%) and bael (49.66%) under in vitro conditions. With three sprays garlic, neem and jatropha reduced disease severity by 46.36, 43.38 and 41.01% respectively in glasshouse. Garlic also appeared best in re-ducing disease severity by 26.80% under field conditions with three sprays. Increased number of sprays resulted in improved reduction in dis-ease severity.


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References


Acknowledgements


Author Information

Singh Vaibhav Singh Yogendra*
Department of Plant Pathology, College of Agriculture, G B Pant University of Agriculture & Technology, Pantnagar, 263145, (U.A.), India

*Corresponding author E-mail: drysingh69@gmail.com