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Position: Home > Articles > Screening on Inhibitory Effect of Plant Extracts Against Phytophthora infestans Northern Horticulture 2009 (7) 130-131

对番茄晚疫病菌有抑制作用的植物提取物筛选

作  者:
曹静;马艳芝
单  位:
聊城大学农学院;唐山师范学院生命科学系
关键词:
番茄晚疫病;植物提取物;抑制作用
摘  要:
在室内测试了20种中草药的乙醇提取物对番茄晚疫病菌菌丝生长的影响。结果表明:16种中草药提取物对黑麦培养基上番茄晚疫病菌菌丝生长的抑制作用明显,对菌丝生长的抑制程度达13.75%~100%;其中黄芩、菊花、大黄和五倍子3种提取物抑菌效果与化学药剂甲霜灵3000倍达到同一显著水平,并对其进行了进一步测试。结果表明:五倍子提取物稀释到1000倍时对番茄晚疫病菌菌丝生长的抑制效果显著优于另外3种提取物,与甲霜灵3000倍液达到同一显著水平。
译  名:
Screening on Inhibitory Effect of Plant Extracts Against Phytophthora infestans
作  者:
CAO Jing1,MA Yan-zhi2 (1.College of Agricultural Science,Liaocheng University,Liaocheng,Shandong 252059,China;2.Department of Biology,Tangshan Teacher's College,Tangshan,Hebei 063000,China)
关键词:
Phytophthora infestans;Plant extracts;Inhibitory efficacy
摘  要:
Twenty species of plant ethanol extracts were tested for their inhibiting effects against P.infestans in this study.Preliminary results showed that 16 plant extracts showed significant inhibitory effects on hyphae growth of P.infestans.The inhibition rate ranges from 13.75%~100%.for example,the inhibition ratio of Scuteuaria baicalensis Georgi,Dendronthema morifolium(Ramat)Tzvel,Rheum officinale Baill and nutgall extracts could also strongly inhibit the hyphae growth of P.infestans at the same level as "Ridomil" at 3000 times dilution.and significantly stronger than the other three extracts.

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