PJB-1990-18
BIOLOGICAL CONTROL OF ROOR ROT DISEASES OF OKRA , SUNFLOWER , SOYBEAN AND MUNGBEAN
SYED
EHTESHAMUL- HAQUE, A. GHAFFAR AND M. J. ZAKI
Abstract
Microbial antagonists viz, Trichoderma
harzianum, Gliocladium virens, Paecilomyces lilacinus, Bacilus subtilis and Streptomyces. Sp., were used as seed treatment or as soil drench for the control of root rot disease caused by Macrophomina phaseolina, Rhizoctoniasolani and Fusarium spp., on okra, sunflower,
soyabean and mungbean under field conditions . Significant reduction in M. phaseoline infection of okra, sunflower, soyabean and mungbean
was produced by G. virens; T. harzianum and P. lilacinus reduced infection on soybean and okra; B. subtilis in soybean and sunflower while Streptomyces sp., was effective only on
soybean. T. harzianum, G. virens; and P. lilacinus significantly reduced R. solani infection on okra, sunflower, soyabean and mungbean; B. subtilis and Streptomyces sp., on okra, sunflower, and soyabean. Infection of Fisarium spp., in okra and soybean significantly reduced by T. harzianum,
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