[1]刘洋,赵秀梅,郑旭,等.马铃薯晚疫病对甲霜灵和精甲霜灵抗药性的田间药效试验[J].黑龙江农业科学,2022,(06):53-56，83.[doi:10.11942/j.issn1002-2767.2022.06.0053]
　LIU Yang,ZHAO Xiu-mei,ZHENG Xu,et al.Field Efficacy Test of Potato Late Blight Resistance to Metalaxyl and Metalaxyl-M[J].HEILONGJIANG AGRICULTURAL SCIENCES,2022,(06):53-56，83.[doi:10.11942/j.issn1002-2767.2022.06.0053]
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马铃薯晚疫病对甲霜灵和精甲霜灵抗药性的田间药效试验

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2022年06 页码: 53-56，83 栏目: 出版日期: 2022-06-10
Title:
Field Efficacy Test of Potato Late Blight Resistance to Metalaxyl and Metalaxyl-M
作者:
刘洋; 赵秀梅; 郑旭; 王立达; 李青超; 刘悦; 兰英; 韩业辉
黑龙江省农业科学院 齐齐哈尔分院，黑龙江 齐齐哈尔 161006
Author(s):
LIU Yang; ZHAO Xiu-mei; ZHENG Xu; WANG Li-da; LI Qing-chao; LIU Yue; LAN Ying; HAN Ye-hui
Qiqihar Branch,Heilongjiang Academy of Agricultural Sciences,Qiqihar 161006,China
关键词:
马铃薯晚疫病; 甲霜灵; 精甲霜灵; 抗药性
Keywords:
potato late blight;  metalaxyl;  metalaxyl-M;  resistance
DOI:
10.11942/j.issn1002-2767.2022.06.0053
文献标志码:
A
摘要:
为明确甲霜灵和精甲霜灵对马铃薯晚疫病的田间防治效果，选用甲霜灵、精甲霜灵及复配制剂，氟吡菌胺、代森锰锌及其复配制剂作为对照药剂，分别设置常规剂量，通过田间小区药效试验，验证马铃薯晚疫病对甲霜灵和精甲霜灵的抗药性。结果表明：第3次施药后14 d，30%氟吡菌胺·甲霜灵水分散粒剂、10%氟吡菌胺水分散粒剂对马铃薯晚疫病的防治效果均大于70%，防效较好，并且持效期较长；58%甲霜·锰锌可湿性粉剂、68%精甲霜·锰锌水分散粒剂处理对马铃薯晚疫病的防治效果为47.82%～50.15%；80%代森锰锌可湿性粉剂、20%甲霜灵水分散粒剂、24%精甲霜灵水乳剂处理对马铃薯晚疫病的防治效果为25.17%～28.85%，防效较差。综上可知，田间马铃薯晚疫病病原菌对甲霜灵、精甲霜灵已产生了较强的抗药性。
Abstract:
In order to clarify the field control effect of metalaxyl and metalaxyl-M on Phytophthora infestans.metalaxyl,metalaxyl-M and compound preparations were selected,fluopicolide,mancozeb and their compound preparations were used as control agents,routine doses were set separately,through the field community efficacy test,to verify the resistance of potato late blight to metalaxyl and metalaxyl-M.The results showed that 14 days after the third application,the control effects of 30% fluopicolide·metalaxyl water dispersible granules and 10% fluopicolide water dispersible granules on Phytophthora infestans were more than 70%,with good control effect and long duration; The control effects of 58% metalaxyl·mancozeb wettable powder and 68% metalaxyl-M·mancozeb water dispersible granule on Phytophthora infestans were 47.82%-50.15%; The control effects of 80% mancozeb wettable powder,20% metalaxyl water dispersible granule and 24% metalaxyl-M water emulsion on Phytophthora infestans were 25.17%-28.85%,with poor control effect.In conclusion,Phytophthora infestans in the field had developed strong resistance to metalaxyl and metalaxyl-M.

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备注/Memo

收稿日期：2022-02-23

基金项目：黑龙江省农业科学院“农业科技创新跨越工程”专项（HNK2019CX14）；中国科学院战略性先导科技黑土粮仓专项“面向全域定制的作物品种优选与栽培技术集成与示范”（XDA28130504）。
第一作者：刘洋（1985-），男，硕士，农艺师，从事植物保护研究。E-mail:520128247@qq.com。

更新日期/Last Update: 2022-07-28