GUO Cheng-jin,SHEN Rui-qing,YANG Jin,et al.Study on Antifungal Action of Cynanchum komarovii Extracts[J].Northern Horticulture,2012,36(06):175-177.
牛心朴子提取物抑菌效果研究
- Title:
- Study on Antifungal Action of Cynanchum komarovii Extracts
- 文章编号:
- 1001-0009（2012）06-0175-03
- 分类号:
- S 482.2+92
- 文献标志码:
- A
- 摘要:
- 采用菌丝生长速率法测定了3种牛心朴子提取物对番茄早疫病菌和番茄灰霉病菌的抑制作用。结果表明，当供试浓度为500 mg/L时，牛心朴子总生物碱、牛心朴子甾体皂苷和牛心朴子总黄酮对番茄病原菌菌丝生长均有一定的抑制作用，其中牛心朴子总生物碱的抑菌活性最高，抑制率可达85%以上。牛心朴子总生物碱对番茄早疫病菌和番茄灰霉病菌的EC50分别为84.3471 mg/L和135.8679 mg/L。牛心朴子总生物碱可作为植物源杀菌剂进一步研究开发。
- Abstract:
- The antifungal action of three kinds of Cynanchum komarovii extracts by using a mycelial growth method were tested against pathogen of Alternaria solani and Botrytis cinerea.The results showed that total alkaloids，steroidal saponins and total flavonoids of Cynanchum komarovii extracts had inhibiting effects to the mycelium growth of these pathogen when the extract concentration was 500 mg/L.Among of them，total alkaloids of Cynanchum komarovii had a better antifungal activity，and the inhibition rate was 85% against tomatoes pathogen.Meanwhile，the EC50 of total alkaloids of Cynanchum komarovii against Alternaria solani and Botrytis cinerea were 84.3471 mg/L and 135.8679 mg/L respectively.Total alkaloids of Cynanchum komarovii could be botanical fungicide.
参考文献/References:
[1]中国科学院植物研究所.中国高等植物图鉴[M].3册.北京:科学出版社,1996:481.
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备注/Memo
第一作者简介：郭成瑾（1978-），女，陕西宝鸡人，硕士，助理研究员，研究方向为植物病理学。