苹果生长季节,采用硫酸亚铁混合制剂防治元帅、新红星系苹果炭疽病,好果率可达97％以上。其防治方法如下:1 选用硫酸亚铁0.5公斤、生石灰粉1公斤、水100公斤,先将硫酸亚铁和生石灰粉分别用水溶解充分,将石灰水过滤去渣,然后将溶解后的硫酸亚铁慢慢倒入滤后的石灰溶液内,边倒边搅 Apple growing season, the use of ferrous sulfate mixture prevent marshal, the new red galaxies apple anthracnose, good fruit rate up to 97%. The prevention and treatment methods are as follows: 1, 0.5 kg of ferrous sulfate, 1 kg of lime powder and 100 kg of water are used. First, ferrous sulfate and quick lime powder are respectively fully dissolved in water, the lime water is filtered to remove the residue, and the dissolved ferrous sulfate Slowly poured into the filtered lime solution, while pouring edge stirring