摘要
[目的]探讨联苯吡嗪菌胺等复配对人参菌核病防效。[方法]采用室内毒力测定与田间药效试验相结合方法,以菌丝生长速率法,测定不同复配杀菌剂对人参菌核病菌的毒力及田间防效。[结果]联苯吡嗪菌胺与啶酰菌胺复配剂对人参菌核病联合毒力为增效;增效系数为7.08,最佳配比为1∶10时,田间试验防效75.93%。联苯吡嗪菌胺与丙硫菌唑复配剂对人参菌核病联合毒力为增效,最佳配比为1∶10时,增效系数为5.06,田间试验防效82.35%。联苯吡嗪菌胺与氟啶胺复配杀菌剂对人参菌核病联合毒力为增效,最佳比例为20∶1时,增效系数为3.74,田间试验防效72.06%。[结论]联苯吡嗪菌胺与啶酰菌胺、丙硫菌唑、氟啶胺二元复配防治人参菌核病具有增效作用,可有效地控制该病的发生。
[Aims ] This study aims to confirm the control efficacy of pyraziflumid and its compound on Sclerotinia schinseng pathogen.[Methods ] The effect of different compound fungicides were tested by means of mycelium growth rate in field and laboratory.[Results ] The results showed that the mixtures of pyraziflumid and boscalid had the synergistic action, and synergistic coefficient, optimal ratio and field efficacy were 7.08, 1∶10 and 75.93% respectively. The compounded agent of pyraziflumid and prothioconazole also had synergistic effects on S. schinseng, and the best ratio was 1 ∶10;the maximum synergistic coefficient was 5.06 and the field trial was 82.35%. The mixture of pyraziflumid with fluazinam played synergistic effects on controlling S. schinseng, the optimal mass ratio, synergistic coefficient and field trial were as follows: 3.74, 20∶1, 72.06% respectively.[Conclutions ] The test results showed that the binary composite of pyraziflumid and boscalid, prothioconazole, fluazinam repectively all have the synergistic effects on the controlling of S. schinseng.
作者
范文忠
杨静
郑玉石
FAN Wen-zhong;YANG Jing;ZHENG Yu-shi(Jilin Agricultutal and Technical College, Jilin 132101, Jilin, China;San cha he Agricultural Station of Fuyu County in Jilin Province, Fuyu 131200, Jilin, China)
出处
《农药》
CAS
CSCD
北大核心
2019年第4期296-299,共4页
Agrochemicals
基金
吉林省教育厅长白山动植物资源利用与保护吉林省高校重点实验室
重点实验室培育项目[吉农院合字(2016)第S106号]
关键词
人参菌核病
杀菌剂
复配
增效
Sclerotinia schinseng
fungicides
combination
synergistic coefficient
作者简介
范文忠(1971-),男,吉林大安人,高级实验师,硕士,主要从事植保教学及科研工作。Tel:0432-63509727,E-mail:273000956@qq.com。
