在发展柑桔生产中,除应考虑品种、砧木、栽培技术、加工贮藏、销售等问题外,还应重视控制病虫的发生,蔓延及防治。一个地区或一个果园病虫发生与流行,往往与病虫源、气候、品种、砧木、栽培管理水平、釆收质量等方面密切相关。因此。对病虫的防治应贯穿到柑桔生产的每个环节,现分述如下。 一、引种与病虫发生的关系 引进品种首先应该考虑植物检疫。事先要调查 In the development of citrus production, in addition to consider the varieties, rootstocks, cultivation techniques, processing and storage, marketing and other issues, but also should pay attention to the control of pest occurrence, spread and prevention. Occurrence and prevalence of pests in a region or an orchard are often closely related to pest and disease sources, climate, varieties, rootstocks, cultivation and management level, and quality of harvest. therefore. Prevention and control of pests and diseases should be run through to every aspect of citrus production, are described below. First, the introduction and the occurrence of pests The introduction of varieties should first consider the plant quarantine. Investigate beforehand