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桔园病虫的发生具有相对的稳定性、复杂性、并发性,且有大发生的必然性,柑桔资源与病虫种类以及群落结构相适应等特点.近40年来,我国桔园病虫优势种群发生重大的演替,这种演替可分为三个阶段.当前优势种群是以刺吸口器类害虫为主.桔园病虫再增猖獗的发生是投入能量不断增加,大量使用有机化学农药和生态环境发生变化等原因造成的.探讨了四项控制途径.
The pest occurrence in the orange garden has the characteristics of relative stability, complexity, concurrency and the necessity of great occurrence, citrus resources and pest species and community structure, etc. In the past 40 years, The population has a significant succession, this succession can be divided into three stages .At present, the dominant population is dominated by sucking mouthparts pests .Order and pest growth rampant in the orange garden is the increasing input energy, extensive use of organic chemistry Pesticides and ecological environment changes caused by other reasons.Analysis of the four control ways.