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1984年得知由哈尔滨科大创研、武汉化学助剂厂生产的一种新型高效低毒杀菌剂“双效灵”对真菌性病害的疗效高于目前一般的药剂后,我们用此药进行了防治苹果炭疽病的试验。试验在苹果炭疽病较重的三口农场进行,用20年生易染病品种小国光为试材,以单株为小区,设置5个处理:①240倍波尔多液和800倍退菌特轮喷7次,具体时闻5月25日、6月10日、7月1日、7月10日、7月30日、8月10日、9月1日。②双效灵
1984 learned that Harbin Institute of Technology by a research, Wuhan Chemical Additives Factory production of a new type of high efficiency and low toxicity germicide “Shuanglingling” fungal disease efficacy is higher than the current general medicine, we use this medicine Control of apple anthracnose test. The experiment was carried out on three farms with heavier apple anthracnose. With 20-year-old susceptible variety Xiaoguangguang as test material, five plants were set up as plots for individual plantation: ① 240 times Bordeaux mixture and 800 times back- Specific time news May 25, June 10, July 1, July 10, July 30, August 10, September 1. ② double effective spirit