波尔多液药效稳定,在果树上应用广泛。它是由硫酸铜与石灰为原料配制而成。在生产实践中,一些果农因配制或施用不当,使果树发生药害,应引起高度注意并加以预防。配制方法标准的波尔多液呈胶体悬液状,其质量与选料和配制方法有密切关系。硫酸铜要选用 Bordeaux solution efficacy and stability, widely used in fruit trees. It is made of copper sulfate and lime as raw materials. In the practice of production, some fruit growers should pay great attention and prevent them because of improper formulation or improper application. The preparation method The standard Bordeaux mixture was in the form of colloidal suspension, the quality of which is closely related to the choice of materials and preparation methods. Copper sulfate to use