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关于山楂锈病,1979年辽宁省果树所景学富等同志曾有报道,其病原菌为 Gymno-spran Qium haraeanum Syd。这种病害在宽甸地区过去只零星发生,近几年随着山楂栽植的大量增加,增多了山楂锈病的寄主植物,使病原菌的繁殖加快,加之没能及时进行防治,从而引起山楂锈病危害逐年加重,有些果园流行成灾。为了解山楂锈病发生的原因,研究其防治方法,1987年我们对本地山楂锈病的发生情况作了初步调查,现简要
About hawthorn rust, fruit trees in Liaoning Province in 1999 King Xuefu and other comrades have been reported that the pathogen Gymno-spran Qium haraeanum Syd. In recent years, this disease has only sporadically occurred in the area of Kuandian. In recent years, with the large increase of hawthorn planting, host plants of hawthorn rust have been increased, and the multiplication of pathogenic bacteria has been accelerated. Furthermore, the control of hawthorn rust has not been carried out in a timely manner, Aggravated, some orchards epidemic. In order to understand the causes of hawthorn rust, research on its prevention and treatment methods, in 1987 we conducted a preliminary investigation of the occurrence of local hawthorn rust, is now brief