[1]许慧敏,魏少鹏,姬志勤*. 地果地上部分抑菌活性研究[J].西北林学院学报,2020,35(2):149-152.[doi:10.3969/j.issn.1001-7461.2020.02.22]
　XU Hui-min,WEI Shao-peng,JI Zhi-qin*. Antifungal Activity of the Aerial Parts of Ficus tikoua[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2020,35(2):149-152.[doi:10.3969/j.issn.1001-7461.2020.02.22]
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 地果地上部分抑菌活性研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第35卷
期数:
2020年第2期
页码:
149-152
栏目:
出版日期:
2020-03-31

文章信息/Info

Title:
 Antifungal Activity of the Aerial Parts of Ficus tikoua
文章编号:
1001-7461(2020)02-0149-04
作者:
 许慧敏1; 魏少鹏1; 2; 姬志勤1; 2*
 （1.西北农林科技大学 植物保护学院，陕西 杨陵 712100；2.陕西省植物源农药研究与开发重点实验室，陕西 杨陵 712100）
Author(s):
 XU Hui-min1; WEI Shao-peng1; 2; JI Zhi-qin1; 2*
 (1.College of Plant Protection,Northwest A&F University,Yangling 712100,Shaanxi,China; 2.Shaanxi Province Key Laboratory of Research & Development on Botanical Pesticides,Yangling 712100,Shaanxi,China)
关键词:
 ; 地果; 黄瓜霜霉病; 马铃薯晚疫病; 生物防治
Keywords:
Ficus tikoua;  Pseudoperonospora cubensis;  Phytophthora infestans;  biological control
分类号:
S763.1
DOI:
10.3969/j.issn.1001-7461.2020.02.22
文献标志码:
A
摘要:
 采用孢子萌发法和菌丝生长法测定地果地上组织甲醇提取物对黄瓜霜霉病菌和马铃薯晚疫病菌的抑菌活性，提取物对2种供试病菌的孢子囊萌发，对马铃薯晚疫病菌菌丝生长均具有强烈的抑制作用，浓度为1 000 μg/mL时，抑制率均达到90%。盆栽试验和田间药效试验结果表明，10%的地果提取液稀释100倍对黄瓜霜霉病菌和马铃薯晚疫病菌的盆栽防效分别为85.89%和93.82%，对黄瓜霜霉病的防效为76.76%。
Abstract:
 The antifungal activities of the methanol extract of the aerial parts of Ficus tikoua on two fungi,Pseudoperonospora cubensis and Phytophthora infestans were evaluated by the method of inhibition rate on spore germination and on mycelial growth.The bioassay results showed that the extracts had strong inhibitory effect on the release of the zoospore of the two tested fungi and the mycelium growth of P.infestans,and their inhibition rates were all above 90% at the concentration of 1 000 μg/mL.The results of pot experiments showed that the control effects of the 10% extracts (100-fold dilution) on cucumber downy mildew and late blight of potato were 85.89% and 93.82%,respectively.The results of field efficacy trials indicated that the control effect of the extract on cucumber downy mildew was 76.76%.

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备注/Memo

备注/Memo:
 收稿日期：2019-06-03修回日期：2019-07-17
基金项目：国家重点研发计划资助 (2017YFD0201402)。
作者简介：许慧敏，女，硕士在读，研究方向:农药化学。E-mail：2369340182@qq.com
*通信作者：姬志勤，男，研究员，研究方向:农药化学。E-mail：jizhiqin@nwsuaf.edu.cn
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