Control of Rhizoctonia damping-off of cotton by soil treatment with some microorganisms
1989
Chiradej Chamswarng | Bunjerd Inwang | Vichai Korpraditskul (Kasetsart Univ., Bangkok (Thailand). Faculty of Agriculture. Dept. of Plant Pathology)
Bacillus subtilis, Pseudomonas fluorescens, Streptomyces griseus, Penicillium citrinum and Trichoderma harzianum applied to Rhizoctonia-infested soil whether solely or in combination revealed satisfactory efficacy for the control of pre-and post-emergence damping-off (pre-and post-EDO). Rhizoctonia-infested soil treated with a combination of P.citrinum and T. harzianum then planted with cotton seeds (Srisamrong 3) at 14 days after soil amendment showed the reduction of pre-EDO by 52.5 percent which was similar to the carboxin treatment. B. subtilis combined with P. fluorescens reduced disease incidence by 20.0 and 35.0 percent when seeds were planted at 7 and 14 days after soil amendment. Colonization capability of R. solani on autoclaved paddy seeds amended with microbial treated soils was reduced, particularly when seeds were mixed with the soil containing T. harzianum in combination with P. citrinum.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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