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在柑桔园种植一种菊科杂草——藿香蓟覆盖地面,对桔全爪螨的重要天敌纽氏钝绥螨有明显的助长作用。柑园覆盖藿香蓟后,在夏季高温季节,可使柑桔树冠外围温度从40～45℃降至35℃以下,相对湿度增加;藿香蓟的花粉可供作钝绥螨的食料。这种小生境的改善,有利于钝绥螨种群的稳定和增长。藿香蓟草丛中的生态条件适合钝绥螨的生存繁殖,钝绥螨在藿香蓟叶片上的密度,常比在柑桔叶片上为高。在需要使用化学农药防治其他害虫或病害而引致柑桔树上的钝绥螨数量明显减少时,藿香蓟上的钝绥螨是一个重要的补充源泉。藿香蓟的生长抑制了其他杂草,大大减少用于除草的劳动力。藿香蓟可作绿肥,根系较浅,无明显与柑桔争肥现象。经多年试验,证明上述方法防治桔全爪螨的效果良好,目前这种措施已在广东省的一些柑桔产区应用。对柑桔害虫的综合防治,可利用钝绥螨防治桔全爪螨,对其他重要害虫如桔锈螨、柑桔潜叶蛾和柑桔木虱可通过采取选择性农药防治或农业技术防治而加以控制。
In the citrus orchards, planting an asteraceae weed - Ageratum cover the ground, the important natural enemies Citrus amblyseius Newt Amblyseius has a significant role in promoting. Citrus orchard covered with Ageratum thistle, the summer high temperature season, can make the outer temperature of citrus canopy from 40 ~ 45 ℃ below 35 ℃, relative humidity increased; Ageraturn pollen available for food Amblyseius acreage. This niche improvement is in favor of the stability and growth of the Asembly population. The ecological conditions in Ageratum grass are suitable for the survival and reproduction of A. amblyseius. The density of A. australis on leaf of Ageratum is often higher than that on citrus leaves. Amblyseius spp. Is an important source of supplementation when the need to use chemical pesticides to control other pests or diseases has led to a significant decrease in the number of Amblyseius spp. On citrus trees. The growth of Ageratum thistle inhibits other weeds and greatly reduces the workforce used for weeding. Agastache artichoke can be used as green manure, the root system is shallow, no obvious phenomenon with citrus fights. After years of testing, the above method is proved to be effective in controlling citrus mite. At present, such measures have been applied in some citrus producing areas in Guangdong Province. The comprehensive control of citrus pests, the use of amblyceded mite prevention and control citrus red mite, on other important pests such as citrus rust mite, citrus leaf moth and citrus psyllid by selective pesticide control or agricultural technology and prevention and control Take control.