臭牡丹提取物对病原真菌抑菌效果的研究  

Study on the Antimicrobial Effect of the Extracts of Clerodendron bungei on Fungus

作　　者：林娜[1,2] 魏琴[2] 尹礼国[1] 李华兰[1] 张剑[1] 

机构地区：[1]宜宾学院生命科学与食品工程学院,四川宜宾644000 [2]宜宾学院发酵资源与应用四川省高校重点实验室,四川宜宾644000

出　　处：《安徽农业科学》2011年第17期10305-10306,10326,共3页Journal of Anhui Agricultural Sciences

基　　金：发酵资源与应用四川省高校重点实验室基金项目(2010KFJ002);宜宾市科技局重点项目(2010NY005)

摘　　要：[目的]研究臭牡丹不同部位的不同溶剂提取物对常见植物病原真菌的抑制效果。[方法]采用菌饼法研究臭牡丹的抑菌能力。[结果]臭牡丹提取物对小麦赤霉、杨树溃疡、棉花枯萎、番茄灰霉病菌均具有不同程度的抑制作用,其中,茎的蒸馏水提取物对杨树溃疡病菌的抑制效果最好,其最小抑菌浓度(MIC)为15mg/ml;茎的80%乙醇提取物对小麦赤霉病菌的抑制效果最好,其MIC为30mg/ml。臭牡丹提取物在pH4～8的范围内具有不同程度的抑菌作用。[结论]臭牡丹提取物对4种病原真菌具有较好的抑制效果。[ Objective ] The study aimed to study the antimicrobial capability of Clerodendron bungei on the common microbe in plant. [ Meth- od] The bacteria cake method was used to study the antimicrobial capability of Clerodendron bungei. [ Result] The extracts had antimicrobial action on Fusarium graminearum, Dothiorella gregaria, F. oxysporum f. sp. vasinfectum and Botrytis cinerea. The extracts of stem from water had the strongest antimicrobial action on Dothiorella gregaria. The M1C was 15 mg/ml. The extracts of stem from ethanol had the best antimi- crobial effect on Fusarium graminearum. The MIC was 30 mg/ml. The extracts had different effect when pH was in 4 -8. [ Conclusion] The extracts of Clerodendron buneei had t^ood antibacterial effects to four kinds of Pathogenic funzi.

关 键 词：臭牡丹 提取物 最小抑菌浓度 抑菌效果 

分 类 号：S482.2[农业科学—农药学]