天然产物研究与开发 ›› 2014, Vol. 26 ›› Issue (9): 1368-1374.

• 研究论文 • 上一篇    下一篇

石菖蒲醇提物对番茄灰霉抑菌稳定性及防效研究

刘铁秋1,2,卢发瑞2,杨晓红2,何苗2,孙雪丹2,卢勇3,曾宪垠1,2*   

  1. 1 四川农业大学原子能农业应用研究室;2 四川农业大学生命科学学院,雅安 625014;3 四川玛思特农业开发有限公司,南充 637105
  • 出版日期:2014-09-30 发布日期:2014-11-02

Antifungal Stability and Preventive Effects of Ethanol Extracts of Acorus tatarinowii on Botrytis cinerea

LIU Tie-qiu1,2, LU Fa-rui2, YANG Xiao-hong2, HE Miao2, SUN Xue-dan2, LU Yong3, ZENG Xian-yin1,2*   

  1. 1 Isotope Research Laboratory, 2 College of Life Science,Sichuan Agricultural University,Ya’an 625014 ,China; 3 Sichuan Master Agricultural Development Co.,Ltd, Nanchong 637105, China
  • Online:2014-09-30 Published:2014-11-02

摘要: 本文通过菌丝生长速率法研究石菖蒲醇提物对番茄灰霉的抑菌稳定性,采用凹玻片法和盆栽法研究其对灰霉孢子萌发的影响和温室防效,从而形成系统完整的数据基础,为石菖蒲杀菌剂的研发提供科学依据。结果表明,醇提物在不同pH和紫外照射下抑菌活性稳定,在高于78 ℃时抑菌活性下降,在蔗糖处理浓度高于0.08 g/mL时抑菌活性增强,在室温(22~28 ℃)和低温(4 ℃)下可长期储存;其对灰霉孢子萌发的EC50为0.0109 g/mL,EC90为0.0318 g/mL;温室防效的EC50为0.0221 g/mL,EC90为0.1533 g/mL。石菖蒲醇提物可抑制番茄灰霉菌丝生长和孢子萌发,抑菌稳定性和温室防效良好,可进一步研发为中药杀菌剂。

关键词: 石菖蒲, 醇提物, 灰霉菌, 稳定性, 孢子萌发, 防治效果

Abstract: In order to provide the scientific basis for developing fungicide from Acorus tatarinowii, the antifungal stability of A. tatarinowii ethanol extracts were tested by mycelial growth rate method,the inhibition rate of conidial germination were determined by microscope concave slides method,and the preventive effects of A.tatarinowii ethanol extracts on Botrytis cinerea were determined by pot-culture method. The results showed that the antifungal activity of A.tatarinowii ethanol extracts was not influenced by pH or UV-irradiation, the antifungal activity decreased when the temperature was higher than 78 oC,and increased when the concentration of saccharose in culture was higher than 0.08 g/mL,it was stable when stored at 22~28 ℃ or 4 ℃.Its EC50 and EC90 on grey mould spore germination were 0.0109 g/mL and 0.0318 g/mL,respectively. Its EC50 and EC90 on preventive effects in green house were 0.0221 g/mL and 0.1533 g/mL, respectively. In conclusion, the spore germination and growth of mycelial can be effectively inhibited by ethanol extracts from A.tatarinowii. A.tatarinowii can be used for the further development of a Chinese herbal fungicide.

Key words: Acorus tatarinowii, ethanol extracts, Botrytis cinerea, stability, spore germination, control effect

中图分类号: 

R284.2 S482.2