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为了了解苹果树腐烂病发生和防治现状以及防治中存在的问题,我们于1982年5月12日至17日在辽宁南部苹果主产区大连、金县、复县进行了一次病情调查.调查过程中在大连市植保站和旅顺口区,金县、复县等有关单位的支持和协助下,选有代表性的果园实地调查了发病情况,并与社队干部、农民技术员座谈.共调查8个果园,每园调查
In order to understand the occurrence and prevention status of apple tree rot and the existing problems in prevention and treatment, we conducted a disease investigation in Dalian, Jinxian and Fuxian, the main producing areas of apple in southern Liaoning from May 12 to May 17, 1982. The investigation process Under the support and assistance of plant protection stations in Dalian City and Lushunkou District, Jinxian County and Fuxian County and other relevant units, the representative orchards were investigated on the spot to investigate the incidence and discuss with the cadres and farmers technicians of the social teams. A orchard, each garden investigation