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国内外的研究证明,褐稻虱在朝鲜,日本和我国长江流域等温带地区,在自然情况下,不能以任何虫态过冬;第二年虫源主要来自温暖的东南亚稻区.广东地跨热带和亚热带,因此褐稻虱在广东冬季能否生存,早、晚稻上的虫源来自何方,其与我国江南稻区褐稻虱的虫源有无关系等,都是生产上亟待明确的问题.从1978年开始,在全国褐稻虱迁飞规律研究协作网支持下,通过田间调查,高山、海岛建网捕捉,飞机航捕,以及成虫染色释放、回收试验等多种方法,对上述问题进行了探索,并取得了一定成果.其中早期部分成果,我们曾
Domestic and international studies have shown that in the tropical regions of North Korea, Japan and the Yangtze River valley in China, the brown planthopper can not overwinter in any insect state under natural conditions. The insect pests mainly come from the warm Southeast Asian rice area in the second year, And subtropical, so brown planthopper in Guangdong winter survival, early and late rice insects come from where, with its southern China rice brown planthopper insect pests have no relationship, are the production of the urgent need to be clearly defined. Starting from 1978, supported by the National Cooperative Research Network on the Movement of Brown Planthopper, the above-mentioned problems were carried out through field investigation, mountain capture, island network capture, aerial capture, and adult dyeing release and recovery tests To explore, and achieved some results, including some of the early results, we have