云南省昆明市马铃薯晚疫病菌甲霜灵抗药性监测 |
| |
引用本文: | 霍超,曹继芬,王昌命,赵志坚. 云南省昆明市马铃薯晚疫病菌甲霜灵抗药性监测[J]. 安徽农业科学, 2018, 46(12): 156-157,164 |
| |
作者姓名: | 霍超 曹继芬 王昌命 赵志坚 |
| |
作者单位: | 西南林业大学生命科学学院,云南昆明650224;云南省农业科学院经济作物研究所,云南昆明650205;云南省农业科学院经济作物研究所,云南昆明,650205;西南林业大学生命科学学院,云南昆明,650224 |
| |
基金项目: | 公益性行业(农业)科研专项(201303018) |
| |
摘 要: | [目的]明确云南省昆明市马铃薯晚疫病菌对甲霜灵的抗药性水平。[方法]采用含药平板法测定晚疫病菌对不同浓度甲霜灵的相对生长量。[结果]甲霜灵浓度为5、100μg/m L时,晚疫病菌相对生长量分别为59.24%~98.81%和43.25%~94.15%。52株马铃薯晚疫病菌全部为高抗菌,未检测到敏感和中抗菌株。[结论]甲霜灵在昆明马铃薯产区已完全失效,需引进新型高效杀菌剂进行晚疫病的合理防控。
|
关 键 词: | 晚疫病菌 甲霜灵抗药性 马铃薯 |
Metalaxyl Sensitivity of Phytophthora infestans on Potato in Kunming,Yunnan |
| |
Abstract: | [Objective]To analyze the metalaxyl sensitivity of Phytophthora in festans collected from main potato production regions in Kunming, Yunnan.[Method]Fungicide-amended petri plates were used to measure the relative growth of P.infestans based on three different fungicide con-centrations.[Result]The relative growth of P.infestans was59.24%-98.81% on 5 μg/mL metalaxyl-amended plates and 43.25%-94.15%on 100 g/mL metalaxyl-amended plates,respectively.All fifty-two isolates of P.infestans were high resistance strains,and no sensitive and moder-ately resistant isolates were detected.[Conclusion]The inhibition efficiency of metalaxyl to P.infestans has completely failed in Kunming.It is necessary to introduce and use new high efficient fungicides for rational management of late blight disease. |
| |
Keywords: | |
本文献已被 CNKI 万方数据 等数据库收录! |
|