Author(s):

A Sudha, Kavitha PS, Senthilkumar M and Rajesh M

Abstract: Coconut palm (<em>Cocos nucifera</em> L.) is one of the most important perennial tropical crops. Stem-end rot is the major postharvest disease of coconut in Brazil. The fungus Lasiodiplodia theobromae is the only species that has been reported to be associated with this disease. The aims of this research were to study about the pathogen and management through botanical. In the present study, a total of thirty phyto extracts were screened against L. theobromae. Among the 30 plant extracts, the leaf extract of <em>A.cepa</em> X <em>A.sativum</em> (zimmu) at 10 per cent, leaf extract of <em>A. alliaceum</em> 10 per cent, bulb extract of <em>A.sativum</em> 5 per cent and leaf extract of <em>A. indica</em> 10 per cent were highly effective in inhibiting the radial mycelial growth of <em>B.theobromae</em>, under <em>in vitro</em> condition.

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