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广东属亚热带气候,适宜柑桔生长。柑桔害虫种类繁多,常见的有10多种。当前,常年需采用喷药防治的害虫主要有:柑桔木虱(一般兼治)、红蜘蛛、锈蜘蛛、潜叶蛾和天牛等。较次要的害虫如:介壳虫、蚜虫、蝽蟓、尺蠖、卷叶蛾、粉虱类等虽也常有发生,但只要少用对天敌杀伤大的农药,并适时合理施用,这些害虫一般不致常年危害。现将果园柑桔主要害虫的防治工作总结于后。 (一)柑桔木虱(Diaphorina citri Kuw.) 对广东柑园威胁最大的病害是柑桔黄龙病。根据杨村柑桔场建场30多年的经验和教
Guangdong is a subtropical climate, suitable for citrus growth. There are a variety of citrus pests, more than 10 common. At present, perennial perennials that need to be sprayed with pesticides are as follows: citrus psylla (generalized treatment), red spider, rust spider, leaf moth and celastrus. More minor pests such as scale insects, aphids, bugs, scales, leaf rollers, whiteflies and other often occur, but as long as less pesticides to kill large natural enemies, and timely and reasonable application, these pests generally do not cause perennial harm. The orchard citrus now the main pest control work concluded. (A) citrus yellow louse (Diaphorina citri Kuw.) The most threatening disease orange garden orange citrus Huanglongbing. According to Yangcun citrus field more than 30 years of experience and teaching building