番茄灰霉病拮抗细菌的筛选
Chinese Agricultural Science Bulletin(2006)
Abstract
采集番茄土壤、根、叶片和花样本共96份,经平板法和叶盘法两步分离,获得对番茄灰霉病菌(BotrytiscinereaPers.)有抑制作用的拮抗细菌12株。根据抑菌圈法测定,拮抗细菌对灰霉菌的拮抗能力有显著差异,其中B21菌株抑菌圈直径达35mm,拮抗性最强最稳定。温室试验表明:B21悬浮液和10倍稀释液对番茄灰霉病有较好的防治效果,室内叶片的防效分别为98.68%和98.03%,无显著差异,明显优于45%多菌灵(500倍稀释液)。
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Key words
Botrytis cinerea,Tomato,Antagonistic bacteria,Biocontrol microbe
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