问:锈病是什么病?患了此病,怎样治愈呢? 浙江丁杭生答:锈病系花卉植物受真菌锈菌寄生而引起的病害总称。锈菌是专性寄生的,且有高度变异性和专化性,为害多种花木。现以玫瑰锈病为例,说明其发生的一般规律。锈病主要为害叶片,受害叶片正面出现黄点或桔红色病斑。五六月间病部叶肉肥厚,正面稍凹陷,着生橙黄色夏孢子堆;叶 Q: What is the disease of rust disease? Suffering from the disease, how to cure it? Zhejiang Ding Hangsheng answer: rust plant flowers by fungal pathogens caused by parasitic disease collectively. Rust is an obligate parasitic, and has a high degree of variability and specialization, damage a variety of flowers and trees. Rose rust is an example to illustrate the general rule of occurrence. Rust is the main damage leaves, damaged leaves positive yellow spots or orange spots. May and June disease Department of leaf hypertrophy, positive slightly depressed, with the students orange yellow uredospores; leaves