辽藁本白粉病防治药剂筛选

Screening the Suitable Control Fungicides for Powdery Mildew of Ligusticum

根据辽藁本白粉病发病规律,在病原菌侵染扩展之前,选择5种常用杀菌剂进行田间试验,通过田间试验测定5种常用杀菌剂对辽藁本白粉病防治效果。供试药剂中,氟菌·肟菌酯与二代三唑类杀菌剂四氟醚唑防效最高,防效均在75%以上,与其他3种药剂达到显著差异,可在辽藁本白粉病防治上推广应用。

According to the law of incidence of powdery mildew of Ligusticum liguria,five commonly used fungicides were selected for field test before the pathogen infection and expansion,and the effect of the five commonly used fungicides on powdery mildew of Ligusticum liguria was determined through field trials.Among the tested agents,the control effect of fluoxystrobin and triazole and the second-generation triazole fungicide tetraflurane are the highest,and the control effect is more than 75%,which is significantly different from the other three agents.It can be used in Liao Gaoben white powder.Promotion and application in disease prevention and treatment.