HUANG Daye,YU Zhibin,DU Gongfu,et al.Control Effect of Streptomyces enissocaesilis NBF715 on Phytophthora Blight of Pepper[J].Northern Horticulture,2022,(17):51-56.[doi:10.11937/bfyy.20220241]
淡紫褐链霉菌NBF715防控辣椒疫病研究
- Title:
- Control Effect of Streptomyces enissocaesilis NBF715 on Phytophthora Blight of Pepper
- 文献标志码:
- A
- 摘要:
- 以辣椒疫霉菌和淡紫褐链霉菌NBF715为试材，采用含药对峙培养和盆栽试验测定离体菌活性和对辣椒疫病防控效果，以几种化学杀菌剂为药剂，采用含药培养和盆栽试验测定了NBF715菌株和几种杀菌剂的相容性及与烯酰吗啉联用防控辣椒疫病效果，以期为NBF715菌株防控辣椒疫病提供参考依据。结果表明:NBF715对辣椒疫霉具有良好的抑菌作用，抑菌率为67.41%，NBF715菌剂在稀释100倍和200倍浓度下对辣椒疫病的盆栽防效分别为71.76%和67.42%。NBF715与烯酰吗啉具有相容性，联合使用可以减少烯酰吗啉防控辣椒疫病中的药剂使用量。
- Abstract:
- Phytophthora capsici and Streptomyces enissocaesilis NBF715 srain were used as test materials.Confrontation culture and pot experimetn were used to determine antifungal activity in vitro and control effect in vivo respectively of NBF715 srain on Phytophthora capsici.Several fungicides were used as test materials,fungicide-containing culture and pot experiment were used to determine the compatibility of NBF715 strain with several fungicides and control effect of NBF715 strain combined with dimethorph on Phytophthora bligjht of pepper,in order to provide reference for the control of pepper blight by NBF715 strain.The results showed the strain NBF715 had good antifungal activity in vitro,the inhibition rate was 67.41%.The control effect was 71.76% and 67.42% respectively at 100 and 200 times diluted concentration.NBF715 strain was compatible with dimethomorph,which could reduce the usage of dimethomorph in controlling of Phytophthora blight of pepper by combined use.
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备注/Memo
第一作者简介：黄大野（1984-），男，博士，副研究员，现主要从事作物病害生物防控等研究工作。E-mail:xiaohuangdaye@126.com.责任作者：曹春霞（1975-），女，硕士，研究员，现主要从事农药剂型等研究工作。E-mail：Caochunxia@163.com.基金项目：湖北省自然科学基金重点资助项目（2019CFA031）；湖北省重点研发计划资助项目（2021BGD011）；国家生物农药工程技术研究中心人才培养基金资助项目（HBERC-RC-202101）；湖北省农业科技创新中心创新团队资助项目（2016-620-000-001-038）。收稿日期：2022-01-18