夏季温湿度条件有利于柑桔许多病虫发生和流行,常需使用各种药剂进行防治。但夏季果树新梢嫩叶较多,稍不注意则易引起药害或诱发其他病虫,所以,夏季柑桔园用药要特别小心,对下列药剂要慎用:波尔多液。波尔多液对柑桔疮痂病、柑桔树脂流胶病有效。但夏季是锈壁虱发生期,波尔多液对该螨有诱发作用,据测定,波尔多液有效成份碱式硫酸铜,能刺 Summer temperature and humidity conditions conducive to the occurrence and prevalence of citrus pests, often need to use a variety of agents for prevention and treatment. However, the summer fruit shoots more young shoots, a little careless or easy to cause harm or induce other pests, therefore, the summer citrus garden medication to be careful, the following agents to be used with caution: Bordeaux mixture. Bordeaux mixture on citrus scab, citrus resin gel effectively. But the summer is the occurrence of rust ticks, Bordeaux mixture on the mite induced role, according to the determination of Bordeaux mixture of basic copper sulfate, can stab