防治苹果锈果病有新法苹果锈果病在我国各苹果产区都有发生，严重地威胁着苹果生产的发展，特别是近些年来，锈果病有蔓延之势，一般果园平均发病率达３－５％，有的达１０％以上。多年来该病一直困扰着广大果树科技工作者，在防治方法上只有刨、拔、烧，而无其他良策。然... Prevention and control of apple rust and fruit disease have a new method Apple rust and fruit disease occurs in all apple producing areas in our country, which seriously threatens the development of apple production. Especially in recent years, the incidence of rust and fruit disease is on the rise. The average incidence of orchard up to 3-5%, some more than 10%. Over the years the disease has plagued the majority of fruit trees science and technology workers, only in the prevention and control methods planing, pulling, burning, and no other good policy. Sure ...