[1]席亚东,陈国华,谢丙炎,等.不同木霉菌株对辣椒疫霉菌的防控作用[J].北方园艺,2016,40(21):115-119.[doi:10.11937/bfyy.201621029]
　XI Yadong,CHEN Guohua,XIE Bingyan,et al.Control Effect of Different Trichoderma spp.Isolates on Phytophthora capsici[J].Northern Horticulture,2016,40(21):115-119.[doi:10.11937/bfyy.201621029]
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不同木霉菌株对辣椒疫霉菌的防控作用

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 第40卷 期数: 2016年21 页码: 115-119 栏目: 出版日期: 2016-11-15
Title:
Control Effect of Different Trichoderma spp.Isolates on Phytophthora capsici
作者:
席亚东1; 2; 3 ; 陈国华1; 谢丙炎1; 彭化贤2; 3
(1.中国农业科学院 蔬菜花卉研究所，北京 100081;2.四川省农业科学院 植物保护研究所，四川 成都610066; 3.农业部西南作物有害生物综合治理重点实验室,四川 成都 610066）
Author(s):
XI Yadong1; 2; 3; CHEN Guohua1; XIE Bingyan1; PENG Huaxian2; 3
（1.Institute of Vegetables and Flowers，Chinese Academy of Agricultural Sciences，Beijing 100081; 2.Institute of Plant Protection，Sichuan Academy of Agricultural Sciences，Chengdu，Sichuan 610066;3.Key Laboratory of Integrated Pest Management on Crops in Southwest，Ministry of Agriculture，Chengdu,Sichuan 610066)
关键词:
木霉菌; 辣椒疫霉菌; 生物防控; 烯酰吗啉; 增产率
Keywords:
Trichoderma spp.; Phytophthora capsici; biocontrol; dimethomorph; increased production rate
DOI:
10.11937/bfyy.201621029
文献标志码:
A
摘要:
以6个不同种（Trichoderma hamatum、T.virens、T.citrinoviride、T.longibrachiatum、T.afroharzianum和T.asperelloides）的30株木霉菌株为试材，采用室内平板拮抗、温室盆栽和田间接种生防木霉菌的方法，研究了不同木霉菌对辣椒疫病的防治效果。结果表明：木霉菌对辣椒疫霉菌菌丝生长具有较好的抑制效果，不同木霉菌株间抑制率差异显著（P<0.05），平板拮抗抑制率在60.00%以上的菌株占总数的70%；木霉菌株T10（T.hamatum）的防控效果显著高于其它木霉菌株，在温室接种辣椒疫霉菌30 d后防控效果达到71.60%；在田间，木霉菌株T10对辣椒疫病的防治效果可达68.02%，与对照药剂烯酰吗啉的防治效果相当，且能够显著增加辣椒果实的产量，单株增产率达到14.30%，高于烯酰吗啉。
Abstract:
Taking 30 Trichoderma spp.isolates classified to 6 species (Trichoderma hamatum,T.virens，T.citrinoviride，T.longibrachiatum，T.afroharzianum and T.asperelloides) as materials，the biocontrol effect of different Trichoderma spp.isolates were studied by the antagonistic tests in vitro，inoculation tests under greenhouse and in field.The results showed that the Trichoderma spp.was an effective biological control effect for P.capsici.and the difference were significant (P<0.05) among different isolates.The Trichoderma spp.isolates number accounted for 70% for antagonistic efficacy above 60.00% in the mycelium of P.capsici in vitro antagonistic tests.Efficacy of T10 isolate against P.capsici reached 71.60% under greenhouse conditions when spraying spore suspension over P.capsici prior to inoculation of the pathogen.The biocontrol effect of isolates T10 against P.capsici was 68.02% and had not significant difference with dimethomorph at the 0.05 level in field.The results also showed that the T10 promoted dried chilli yield significantly，which was higher than dimethomorph treatment.

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备注/Memo

第一作者简介：席亚东（1981-），男，硕士研究生，研究方向为蔬菜病害综合防治。E-mail：xiyadong2002@126.com.责任作者：陈国华（1979-），女，博士，副研究员，研究方向为蔬菜病害综合防治。E-mail：chenguohua01@caas.cn.基金项目：公益性行业（农业）科研专项资助项目（201303014）；四川省财政厅“蔬菜品种抗病性评价与病虫害绿色防控技术”资助项目（ysny-1）；国家产业体系四川省蔬菜产业体系资助项目（nycytx-31）；四川省科技支撑计划资助项目(2016NZ0032)。

更新日期/Last Update: 2016-12-30