| 氟啶胺等杀菌剂对不同发育阶段小麦赤霉病菌的毒力及其作用方式 |
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| 引用本文： | 邵莒南,徐大同,李慧,慕卫,刘峰. 氟啶胺等杀菌剂对不同发育阶段小麦赤霉病菌的毒力及其作用方式[J]. 植物保护学报, 2016, 43(2): 314-320. DOI: 10.13802/j.cnki.zwbhxb.2016.02.020 |
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| 作者姓名： | 邵莒南 徐大同 李慧 慕卫 刘峰 |
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| 作者单位： | 山东农业大学植物保护学院,山东省农药毒理与应用技术省级重点实验室,泰安271018 |
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| 基金项目： | 国家公益性行业(农业)科研专项(200903033) |
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| 摘 要： | 为筛选高效防治小麦赤霉病的药剂,采用菌丝生长速率法和孢子萌发法测定了5种杀菌剂对不同发育阶段小麦赤霉病菌的毒力,并测定了田间接种条件下对小麦赤霉病的保护和治疗效果。结果表明,氟啶胺对小麦赤霉病菌菌丝生长、孢子萌发、芽管伸长和产孢的毒力均较高,EC_(50)≤0.249μg/m L;咯菌腈可抑制该病菌菌丝生长、芽管伸长和产孢,EC_(50)≤0.881μg/m L,但对孢子萌发几乎无抑制作用;菌毒清对分生孢子萌发、芽管伸长和产孢的毒力稍低,EC_(50)在5.726~10.244μg/m L之间,但高于其对菌丝生长的毒力;甲基硫菌灵和嘧菌酯对各发育阶段病菌的毒力均较低。在田间,接种前3 d施药,咯菌腈和氟啶胺对小麦赤霉病的保护效果较好,200 g(a.i.)/hm~2处理的效果在80.01%以上,可作为保护剂在发病前使用;菌毒清在接种前3 d和接种后3 d使用时保护效果和治疗效果均较高,200 g(a.i.)/hm~2处理的防效均在69.99%以上,既可作为保护剂在发病前使用,也可作为治疗剂在发病后使用。
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| 关 键 词： | 小麦赤霉病菌 杀菌剂 毒力 作用方式 |
| 收稿时间： | 2014-10-23 |
Toxicity and modes of action of fluazinam and other fungicides against wheat Fusarium graminearum at different life stages |
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| Shao Junan,Xu Datong,Li Hui,Mu Wei and Liu Feng. Toxicity and modes of action of fluazinam and other fungicides against wheat Fusarium graminearum at different life stages[J]. Acta Phytophylacica Sinica, 2016, 43(2): 314-320. DOI: 10.13802/j.cnki.zwbhxb.2016.02.020 |
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| Authors: | Shao Junan Xu Datong Li Hui Mu Wei Liu Feng |
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| Affiliation: | Key Laboratory of Pesticide Toxicology & Application Technique, College of Plant Protection, Shandong Agricultural University, Tai'an 271018, Shandong Province, China,Key Laboratory of Pesticide Toxicology & Application Technique, College of Plant Protection, Shandong Agricultural University, Tai'an 271018, Shandong Province, China,Key Laboratory of Pesticide Toxicology & Application Technique, College of Plant Protection, Shandong Agricultural University, Tai'an 271018, Shandong Province, China,Key Laboratory of Pesticide Toxicology & Application Technique, College of Plant Protection, Shandong Agricultural University, Tai'an 271018, Shandong Province, China and Key Laboratory of Pesticide Toxicology & Application Technique, College of Plant Protection, Shandong Agricultural University, Tai'an 271018, Shandong Province, China |
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| Abstract: | |
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| Keywords: | Fusarium graminearum fungicide toxicity control efficacy mode of action |
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