【摘要】 山楂锈病是山楂的灾害性病害。它的发生与气候、品种、地理环境等因素有一定的关系。4～5月份的高温高湿气候有利于该病的发生与发展。其防治采用多环节控制病原数量。药剂防治以喷粉锈宁效果理想。更多还原

【Abstract】 Hawthorn rust is a hawthorn fatal disease.Its occurrence is associated with climate,hawthorn variety and geographic environment,etc. The disease frequently occurs and develops in April and May with high temperature.Multistage method was used to control the quantity of pathogen. Triadimefon spray is a better way of chemical sprays.更多还原