Bioefficacy of Antagonistic Fungi Trichoderma hammatum and Trichoderma harzianum against Alternaria alternata (fr.) Keissler Causing Fruit Rot in Bottle Gourd


Abstract

The bioefficacy of two species of antagonistic fungi Trichoderma , viz., T. hammatum and T. harzianum was tested against black fruit rot of bottle gourd caused by Alternaria alternata (Fr.) Keissler. Both T. hammatum and T. harzianum significantly inhibited the growth and sporulation of A. alternata under, in vitro conditions, however, T. hammatum (87.77 %) was more promising than T. harzianum(77.77%).

Keywords

Antagonistic Fungi, Biocontrol, Bottle Gourd, Fruit Rot, Trichoderma sp.

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