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1979—1983年对苹果炭疽病侵染规律、发病规律进行了系统调查研究,在此基础上探索了新的防治途径。利用常规化学保护性杀菌剂(波尔多液、退菌特等)提前在果实生长前期施用,获得大面积良好防效。利用苹果炭疽病菌潜伏侵染特点,在侵染盛期或盛期过后,施用化学治疗剂(仲丁胺、乙磷铝等),北部苹果区喷1—2次药,南部苹果区喷2—3次药,初步试验可获得较好防效。每一万亩苹果树,减少一次打药可节约投资二万元左右。在黄河故道地区每年可减少4—5次药,将会大幅度提高经济和社会效益。在国内外,首次(1980年)利用无毒高脂膜防治苹果炭疽病成功,为植物病害防治开拓了新途径。
During 1979-1983, the law of apple anthracnose infection and its incidence were systematically investigated and studied. Based on this, new ways of prevention and treatment were also explored. The use of conventional chemical protective fungicide (Bordeaux mixture, Chuangteng special) pre-application in the pre-fruit growth, access to a large area of good control effect. Using the characteristics of latent infection of anthracnose in apple, the chemical treatment agent (sec-butylamine, cefotaxime, etc.) was applied after the peak or peak period of infection, the apple in the north was sprayed 1-2 times, the apple in the south was sprayed 2- 3 drugs, the initial test can get better prevention effect. For every 10,000 mu of apple trees, it will save about 20,000 yuan to reduce the investment of medicine. In the old course of the Yellow River can be reduced 4-5 times a year medicine, will greatly enhance economic and social benefits. At home and abroad, for the first time (1980) the use of non-toxic high-fat film prevention and control of apple anthracnose success, opened up a new way for plant disease prevention and control.