【摘要】 采用生长速率法,设置0.005 g.mL-1的质量浓度,对22种中药提取物的抑菌活性进行筛选。结果表明:五倍子、土元、蛇床子、白英、麻黄、巴豆、黄柏和黄连对棉花黄萎病菌的抑菌率超过45%;进一步研究表明:五倍子、土元和蛇床子对黄萎病菌的抑制效果最好,对菌丝生长、毒素分泌、孢子萌发、孢子产量的抑制效果分别达100%、96.5%、94.4%和100%,100%、93.7%、81.3%和100%,100%、95.7%、34.2%和100%;与五倍子和土元相比,蛇床子对孢子萌发的抑制效果较差。更多还原

【Abstract】 Using the growing speed mensuration,inhibition on Verticillium dahliae Kleb.of 22 kinds extracts of Chinese traditional medicine were filtrated in a quality concentration of 0.005%.The result shows that the inhibition percentage of China Sumac,Eupolyphaga seu Steleophaga,Common Cnidium Fruit,Nightshade,Herba Ephedrae,Croton Fruit,Amur Corktree Bark and Shortsepal Goldthread are over 45 percent.The further study shows that China Sumac an,Eupolyphaga seu Steleophaga and Common Cnidium Fruit have the best inhibition percentage on Verticillium dahliae Kleb.with the 100 %,100% and 100% on mycelium grow,96.5%,93.7% and 95.7% on tixon exudation,94.4%,81.3% and 34.2% on spore sprouting,100%,100% and 100% on spore yield,respectively.But the inhibition percentage on spore sprouting of Common Cnidium Fruit was much lower than China Sumac and Eupolyphaga seu Steleophaga.更多还原