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Indian Journal of Pure & Applied Biosciences (IJPAB)
Year : 2015 , Volume 3, Issue 2
Page No. : 108-112
Article doi: : http://dx.doi.org/10.18782
Management of Alternaria brassicae through some plants extract
Hesamedin Ramezani1* and Mohammad Abdollahi2
1Department of Agriculture, Payame Noor University, PO Box. 193595-3697, Tehran, Iran
2Department of Plant Protection, Faculty of Agriculture, University of Yasouj, Yasouj, Iran
*Corresponding Author E-mail: hramezani@spnu.ac.ir
ABSTRACT
Among all the extracts tested, Eucalyptus leaf extract showed significant reduction in radial growth,
sporulation and spore germination. Under laboratory condition, leaf extracts of Eucalyptus,
Ocimum and Anagallis showed maximum reduction (92.74, 91.93 and 91.53 per cent decrease over
check, respectively) in radial growth whereas Ocimum, Eucalyptus and Utrica showed minimum
sporulation intensity 91.66, 89.90 and 71.29 per cent, respectively. Significantly lowest reduction of
spore germination was observed with Utrica followed with Ocimum and Eucalyptus by 86.76, 79.56
and 79.11 per cent, respectively. Under glasshouse condition, Eucalyptus spray gave significant
lesser number of spot/leaf (2.05), minimum size of spot (1.28mm), minimum sporulation intensity
(1.22) and minimum disease index (13.6) followed by Calotropis, Ocimum and Polyanthai extract
spray.
Keywords: Efficacy, Alternaria brassicae, Natural products, Management.
Full Text : PDF; Journal doi : http://dx.doi.org/10.18782
Cite this article:
Int. J. Pure App. Biosci. 3 (2): 108-112 (2015)
