论文部分内容阅读
苹果斑点落叶病是由Alternara mali的强毒株系侵染所致,是国内近年来发生的一种蔓延迅速的危险性病害,目前已遍及国内主要苹果产区。该病可引起苹果树早期大量落叶,削弱树势.严重影响果品的产量和质量。青岛市农科所80年代初期,曾对该病进行过系统研究,在原工作基础上,1991年筛选出了国产新农药多抗霉素。多抗霉素可与生产上常规农药波尔多液交替使用,能够有效地控制苹果斑点落叶病。 一、试材与方法
Apple spotted leaf disease is caused by the virulent strains of Alternara mali. It is a rapidly spreading and dangerous disease that has occurred in recent years in China. At present, it has spread throughout the major apple producing areas in China. The disease can cause large deciduous apple trees early, weaken the tree vigor, seriously affecting the yield and quality of fruit. Qingdao Agricultural Institute in the early 1980s, had a systematic study of the disease, based on the original work, in 1991 screened a new domestic pesticide polyoxin. Polyoxin can be used interchangeably with conventional Bordeaux pesticides in production to effectively control apple spotted leaf deciduous disease. First, the test materials and methods