Field control of Meloidogyne incognita and root rot disease infecting eggplant using nematicide, fertilizers, and microbial agents

Abstract

Integrated regimens were conducted at Kafre- Hakim village to evaluate the efficacy of different agents in controlling root-knot nematode Meloidogyne incognita and root rot disease infecting eggplant cv. Baladi and their effects on yield production. The treatments used were either single or combined treatments of (1) fungal filtrate of Trichoderma harzianum ; (2) Bacillus thuringiensis ; (3) NPK, inorganic fertilizer; (4) Oxamyl, a chemical nematicide; and (5) chicken manure. The present study emphasized that all treatments exhibited variable potential activities against the root-knot nematode and root rot disease incidence and improved eggplant production. The most nematode and root rot bio suppressive agent was chicken manure single treatment. Although NPK alone showed remarkable increase in eggplant yield, the data generally showed that other combined treatments gave better results in improving yield production than single treatments. Integration of chicken manure with NPK, T. harzianum or B. thuringiensis to improve the disease-control efficacy and crop yield was more economically as well as environmentally acceptable.