摘 要: | Enriched by the medium containing chitin and cell wall of Rhizoctonia solani AG-1, a bacterium X2-23 with higher chitinase activity was isolated from 166 chitinase-producing bacteria. It could distinctly inhibit the fungi growth of some plant pathogens such as R. solani, Magnaporth griesa, Fusariwn moniliforme, F. geamin-eanun, Scleretimia sclerotiorum, and
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