正确配制使用波尔多液预防药害的发生波尔多液自１８８５年发明使用后，至今已有１００多年的历史，因其不产生抗药性，价格便宜，现在仍是果树病害防治的主要药剂，波尔多液由硫酸铜溶液和石灰乳配制而成，是一种良好的保护性杀菌剂，喷在果树上粘附性好，经空气、水分、... Correct preparation of Bordeaux mixture prevents the occurrence of phytotoxicity Bordeaux mixture has been in use for more than 100 years since it was invented in 1885. Bordeaux mixture is still the main agent for the prevention and treatment of fruit tree diseases due to its non-resistance and low cost. Copper sulphate solution and lime milk formulated, is a good protective fungicide, sprayed in the fruit tree adhesion, through the air, water, ...