ORIGINAL ARTICLE
Influence of three plant extracts on Fusarium oxysporum f. sp. ciceris mycelium growth
 
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Crop Protection Research Centre, Department. of Advanced Zoology and Biotechnology St. Xavier’s College (Autonomous), Palayamkottai – 627 002, Tamil Nadu, India
CORRESPONDING AUTHOR
Kitherian Sahayaraj
Crop Protection Research Centre, Department. of Advanced Zoology and Biotechnology St. Xavier’s College (Autonomous), Palayamkottai – 627 002, Tamil Nadu, India
 
Journal of Plant Protection Research 2006;46(4):335–338
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ABSTRACT
Three plant extracts viz. bulbs of Allium sativum L. (Liliaceae), seeds of Annona squamosa L. (Annonaceae) and leaves of Vitex negundo L. (Verbenaceae) were evaluated against cowpea wilt pathogen, Fusarium oxysporum f. sp. ciceris by mycelial dry weight method under laboratory condtions. The mean mycelium dry weights of F. oxysporum of methanol and benzene extracts of A. sativum obtained from 125 g of crused dry plant material (bulbs) were 0.0113 and 0.0174 mg, respectively. This was followed by methanol and petroleum ether extracts of A. squamosa (0.2396 and 0.2381 mg). They effectively controlled mycelial growth of cowpea wilt pathogen, however V. negundo extracts did not cause any significant mycelium growth inhibition when compared to other plant extracts tested. Among the three plant extracts, methanol extracts of A. sativum bulbs could possibly be used for controlling F. oxysporum.
CONFLICT OF INTEREST
The authors have declared that no conflict of interests exist.
 
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