论文部分内容阅读
苹果腐烂病是当前果树生产威胁最大的病害,特别是对进入盛果期以及即将结果的果树危害更为严重,如稍放松管理,就会造成果树的大面积死伤。多年来,我市各果园在综合防治基础上,采用了早刮皮、重刮皮、药剂消毒等方法治疗腐烂病取得了定的成效,但效果均不理想,而
Apple rot is the most serious threat to the production of fruit trees, especially to the fruit trees entering the fruitful period and the forthcoming fruit tree. If the management is loosened, it will cause large-scale fruit tree deaths and injuries. Over the years, the city of various orchards in the comprehensive prevention and treatment based on the use of the early scraping the skin, the skin scraping, disinfection and other methods of treatment of decay disease achieved certain results, but the effect is not satisfactory, and