Soil-borne disease in North Vietnam and biological control
2007
Nguyen, Kim Van | Ngo Bich Hal | Tran Nguyen Ha, Hanoi Agricultural Univ., Trau Qui Gia Lam, Hanoi (Vietnam). Dept. of Plant Pathology
The survey of the soil borne diseases on crops grown in North Vietnam were found disease caused by diversed group of plant pathogens such as fungi, bacteria, and nematode. Most important were fungal pathogens including Rhizoctonia solani, Sclerotiujm rolfsii, Fusarium spp., Pythium sp., Sclerotinia sp. The pathogens were difficult to control because thy can survive in the soil with wide host range and caused decay of stem, collar and root of peanut, soybean, tomato, bean, cucurbits. The yield losses were from 10-20%. Biological control using Trichoderma spp. and Bacillus subtilis as bio-agents were effective to control those soilborne diseases and increase development of plant.
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