用化学农药防治花卉的病虫害,目前使用最广,收效最快。然而,由于花卉种类的不同,植物生长发育阶段的差异,病虫害发生时环境条件的悬殊,往往致使一些常见的花卉,包括部分瓜果类植物,对不同种类的农药或同一农药不同的浓度等,会产生明显不同的反应。对那些比较敏感的观赏植物种类,若使用农药不当,轻者出现落叶、落花、落果,重者导致植株死亡,造成不应有的损失,过去这方面的教训是极为深刻的。本文根据自己十多年摸索的经验,对下列常见农药易造成的药害情况作一大略的介 With chemical pesticides to prevent flower pests and diseases, currently the most widely used, the fastest effective. However, differences in flower types, differences in the stages of plant growth and development, and the disproportionate environmental conditions at the time of occurrence of pests and diseases often result in some common flowers, including some fruits and vegetables, different concentrations of different kinds of pesticides or the same pesticide, Will have a significantly different response. Those who are more sensitive ornamental plant species, if the use of improper pesticides, the light of deciduous leaves, falling flowers, falling fruit, which led to plant deaths, resulting in undue losses, the lessons learned in the past is extremely profound. This article based on his own experience of more than 10 years of exploration, the following common pesticides can easily lead to a brief introduction of the situation