REN Fengshan,WANG Yan,ZHAI Yifan,et al.Synergistic Effect of Trichoderma and Several Chemical Fungicides for Control of Botryosphaeria dothidea[J].Northern Horticulture,2015,39(16):111-115.[doi:10.11937/bfyy.201516026]
木霉与几种化学杀菌剂协同防治苹果轮纹病
- Title:
- Synergistic Effect of Trichoderma and Several Chemical Fungicides for Control of Botryosphaeria dothidea
- Keywords:
- botryosphaeria dothidea; Trichoderma; Zhongshengmycin; synergistic
- 文献标志码:
- A
- 摘要:
- 以木霉菌T2为生防菌,采用菌丝生长速率测定法,研究了9种化学杀菌剂对苹果轮纹病的防效,将防效最强的5种化学杀菌剂分别与生防菌进行复配组成菌-药复剂,并探讨复配剂对苹果轮纹病的室内防治效果。结果表明:中生菌素2 000倍和生防菌T2复配对苹果轮纹病菌抑制的增效作用最高,48 h增效比为1.23,72 h增效比为1.36。中生菌素作为菌-药复配的化学因子,在较低质量浓度下不仅能有效抑制苹果轮纹病菌的生长,也能与生防菌木霉很好地相容。复配剂防效显著优于单剂中生菌素和单剂生防菌 T2 防效,同时二者复配有明显的增效作用,且降低了化学杀菌剂的使用量。
- Abstract:
- Taking Trichoderma T2 as material,the control effect of 9 chemical fungicides to Botryosphaeria dothidea was studied by means of mycelium growth rate method,and mixture the biocontrol bacterium and 5 best chemical fungicides respectively,the compound of biocontrol bacterium and chemicals fungicides was studied,and to explore the interior control effect of the mixture for Botryosphaeria dothidea.The results showed that the synergistic ratio was the highest at the Zhongshengmycin concentration of 2 000 times concentration mixture the Trichoderma T2,with the synergia ratio of 1.23 after 24 hours,and the synergia ratio of 1.36 after 48 hours.Zhongshengmycin,as the chemical factor of combination research,could inhibit the growth of Botryosphaeria dothidea under lower usage level,and also was compatible with strain Trichoderma T2.Meanwhile,the combination of Zhongshengmycin and Trichoderma T2 not only could promote the biocontrol effectiveness,but also reduced the usage of chemicals.
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备注/Memo
第一作者简介:任凤山(1965-),男,山东德州人,本科,研究员,现主要从事农药环境评价等研究工作。E-mail:rensd65@163.com. 责任作者:庄乾营(1967-),男,山东临沂人,本科,研究员,现主要从事农药环境评价等研究工作。E-mail:zbszhuang@163.com. 基金项目:国家公益性行业(农业)科研专项资助项目(200803025);山东省现代农业产业技术体系果树专项资助项目(SDAIT-03-022-08)。