Biological Control of Mulberry Root Knot Nematode Meloidogyne incognita by Trichoderma harzianum
Sukumar, J.;Padma, S.D.;Bongale, U.D.(Karnataka State Sericulture Research and Development Institute, Thalaghattapura, Bangalore, India)E-mail:vivi10@rediffmail.com
Trichoderma harzianum-THN1 parasitising the egg masses of root knot nematode Meloidogyne incognita was isolated from galled mulberry roots and evaluated for its potential to control root knot disease. In pot experiments root galling was reduced and leaf yield increased significantly following soil treatment with T. harzianum-THN1. The extracts obtained from the soils inoculated with T. harzianum-THN1 drastically inhibited the hatching of nematode eggs and the effect was irreversible even after the eggs were transferred to fresh water.
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