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佳县属陕西省重点红枣产区,全县红枣53万亩,年产红枣26万吨,红枣已发展成为我县的主导产业。枣树的病虫害防治是枣树生产中的一个重要环节。生长季节的化学防治投入多费用高,农药残留量大,污染环境,杀伤天敌。冬季枣树越冬休眠,为害枣树的害虫也找场所躲藏起来。
Jia County is the focus of Shaanxi Province jujube producing areas, the county 53 million mu of jujube, with an annual output of 260,000 tons jujube, jujube has become the leading industry in our county. Jujube tree pest control is an important part of jujube production. Chemical prevention and control during the growing season put more costs, pesticide residues, pollute the environment, killing natural enemies. Winter jujube winter dormancy, damage jujube pests also find places to hide.