ORIGINAL ARTICLE
In-vitro assay of some plant extracts against Fusarium oxysporum f. sp. Lycopersici causal agent of tomato wilt
 
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Ahmadu Bello University Faculty of Agriculture, Department of Crop Protection P.M.B. 1044 Zaria, Nigeria
CORRESPONDING AUTHOR
Ogechi N. Agbenin
Ahmadu Bello University Faculty of Agriculture, Department of Crop Protection P.M.B. 1044 Zaria, Nigeria
 
Journal of Plant Protection Research 2006;46(3):215–220
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ABSTRACT
The effect of crude extracts of neem (Azadirachta indica) leaf, neem seed and garlic (Allium sativum) at concentrations ranging from 5% to 30% of the material in 100 ml of Potato Dextrose Agar on mycelial growth of Fusarium oxysporum f. sp. lycopersici was assessed. All the extracts inhibited mycellial growth at various levels. Dry neem seed extract gavel 100% inhibition of mycelial growth. Fresh neem leaf extract reduced mycelial growth with increasing concentration while in garlic there were no differences in growth inhibition among the various concentrations used. However garlic extracts decreased sporulation with increasing concentration and cultures grown on extract amended agar plates remained viable.
CONFLICT OF INTEREST
The authors have declared that no conflict of interests exist.
 
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