| 长枝木霉对禾谷胞囊线虫卵的寄生和毒杀作用及其机制 |
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| 引用本文： | 张树武,徐秉良,古丽君,薛应钰. 长枝木霉对禾谷胞囊线虫卵的寄生和毒杀作用及其机制[J]. 植物保护学报, 2013, 40(4): 320-326 |
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| 作者姓名： | 张树武 徐秉良 古丽君 薛应钰 |
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| 作者单位： | 甘肃农业大学草业学院,草业生态系统教育部重点实验室,甘肃省草业工程实验室,中-美草地畜牧业可持续发展研究中心,兰州730070 |
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| 基金项目： | 草业生态系统教育部省部共建重点实验室项目(CY-GG-2006-013);甘肃省农牧厅生物技术专项(GNSW-2009-04);甘肃省教育厅项目(042-03) |
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| 摘 要： | 为了明确长枝木霉Trichoderma longibrachiatum对小麦禾谷胞囊线虫Heterodera avenae卵的防治潜力和作用机制,在室内测定了长枝木霉分生孢子悬浮液对小麦禾谷胞囊线虫卵的寄生和毒杀作用,并通过温室盆栽试验测定了长枝木霉分生孢子悬浮液对小麦禾谷胞囊线虫卵的防治效果.室内试验中1.5×107 CFU/mL的长枝木霉分生孢子悬浮液处理12 d对小麦禾谷胞囊线虫卵的寄生率和卵孵化的相对抑制率分别为91.33％和88.35％.温室盆栽试验中1.5×107 CFU/mL处理对土壤中胞囊、线虫和根系中线虫的相对防治效果分别为89.84％、92.67％和88.30％;接种卵悬浮液和长枝木霉分生孢子悬浮液后,小麦幼苗株高、根系长度、地上部鲜重和根系鲜重的增长率分别为66.72％、159.31％、169.09％和170.19％;叶绿素总量和根系活力显著高于对照,分别为17.52 mg/g和356.25 μg·g-1·h-1.研究表明长枝木霉可作为小麦禾谷胞囊线虫的生防制剂.
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| 关 键 词： | 长枝木霉 小麦禾谷胞囊线虫 寄生和毒杀作用 |
| 收稿时间： | 2013-01-09 |
The mechanism, parasitic and toxic effects of Trichoderma longibrachiatum on the eggs of Heterodera avenae |
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| Zhang Shuwu,Xu Bingliang,Gu Lijun and Xue Yingyu. The mechanism, parasitic and toxic effects of Trichoderma longibrachiatum on the eggs of Heterodera avenae[J]. Acta Phytophylacica Sinica, 2013, 40(4): 320-326 |
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| Authors: | Zhang Shuwu Xu Bingliang Gu Lijun Xue Yingyu |
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| Affiliation: | Key Laboratory of Grassland Ecosystem, Ministry of Education, Pratacultural Engineering Laboratory of Gansu Province, Sino-U.S. Centers for Grazingland Ecosystem Sustainability, College of Grassland Science, Gansu Agricultural University, Lanzhou 730070, Gansu Province, China;Key Laboratory of Grassland Ecosystem, Ministry of Education, Pratacultural Engineering Laboratory of Gansu Province, Sino-U.S. Centers for Grazingland Ecosystem Sustainability, College of Grassland Science, Gansu Agricultural University, Lanzhou 730070, Gansu Province, China;Key Laboratory of Grassland Ecosystem, Ministry of Education, Pratacultural Engineering Laboratory of Gansu Province, Sino-U.S. Centers for Grazingland Ecosystem Sustainability, College of Grassland Science, Gansu Agricultural University, Lanzhou 730070, Gansu Province, China;Key Laboratory of Grassland Ecosystem, Ministry of Education, Pratacultural Engineering Laboratory of Gansu Province, Sino-U.S. Centers for Grazingland Ecosystem Sustainability, College of Grassland Science, Gansu Agricultural University, Lanzhou 730070, Gansu Province, China |
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| Abstract: | |
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| Keywords: | Trichoderma longibrachiatum Heterodera avenae parasitic and toxic effects |
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