首页|拮抗菌对黄瓜枯萎病菌的室内生物活性

拮抗菌对黄瓜枯萎病菌的室内生物活性

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测定了从沤肥浸渍液和土壤中分离并筛选得到对黄瓜枯萎病菌的室内生物活性的6个菌株,编号为94-Ⅰ、94-Ⅱ、94-Ⅲ、96-Ⅱ、98-Ⅰ和98-Ⅱ.测定其孢子悬浮培养16 h时对黄瓜枯萎病菌的抑制率分别为48.29%、0.00%、60.69%、39.28%、61.29%和72.32%,孢子和菌丝有的变畸形并产生大泡囊；平皿拮抗试验表明，其活体浓度为50%时对黄瓜枯萎病菌的抑制率最大分别为74.52%、83.27%、90.60%、88.59%、89.35%、和94.30%；而其相同浓度高压蒸汽灭活后的代谢产物对黄瓜枯萎病菌的抑制率最大分别为33.21%、55.22%、62.84%、46.57%、47.61%和70.34%. 表3 参4
BIOASSARY OF ANTAGONISTIC BACTERIA AGAINST CUCUMBER FUSARIUM WILT
Antagonistic bacteria isolated from livestock manures and soils, coded as 94-Ⅰ、94-Ⅱ、94-Ⅲ、96-Ⅱ、98-Ⅰand 98-Ⅱshowed fungistasis effects on cucumber fusarium wilt. Through suspended spore culture, the relative inhibiting rates of spore germination were 48.29%, 0.00%, 60.69%, 39.28%, 61.29% and 72.32% and moreover some spores and hypha of the pathgen became deformed. The relative inhibiting rates of the antagonistic bacteria against cucumber fusarium wilt in petri dishes were 74.52%, 83.27%, 90.60%, 88.59%, 89.35% and 94.30%. The relative inhibiting rates of their metabolites against cucumber fusarium wilt in petri dishes were 33.21%, 55.22%, 62.84%, 46.57%, 47.61% and 70.34%. Tab 3, Ref 4

郝变青、马利平、乔雄梧、高芬

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山西省农科院植保所

拮抗菌 黄瓜枯萎病菌 生物活性

山西省科技厅资助项目山西省留学办资助项目山西省农业科学院科研项目

No:971011

2001

应用与环境生物学报
中国科学院成都生物研究所

应用与环境生物学报

CSCD
影响因子：0.972
ISSN：1006-687X
年,卷(期)：2001.7(2)
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