MANAGEMENT OF Meloidogyne Incognita IN TOMATO THROUGH DRY POWDER AND AQUEOUS EXTRACTS OF Tagetes erecta CV. INDIAN YELLOW

摘要

Dry powder and aqueous extract of plant parts of Tagetes erecta cv. Indian yellow viz., leaf, flower, root and stem were tested against root knot nematode, Meloidogyne incognita in tomato. Increased in plant growth and decreased in nematode populationwere observed with the application dry powder and aqueous extract of the plant. Among them, aqueous extract of root portion of T. erecta cv. Indian yellow recorded the maximum plant growth parameters with significant reduction in female and soil population of M. incognita which recorded 79.26 and 92.17 per cent decrease over control.