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龙眼秋梢是指在八月至十月抽发的芽梢,秋梢是培育来年结果母枝的基梢,特别是二次秋梢,用来培育来年的结果母枝更理想;但同时,秋梢也是多种病虫为害和越冬的理想场所。因此,防治好秋梢病虫,不但能直接保护秋梢健壮生长,有利培育成来年的结果母枝,而且还能通过消灭越冬病虫源,减轻来年花、梢期病虫发生和为害程度,增加座果促丰收。秋梢期主要病虫有长跗萤叶甲、亥麦蛾、角颊木虱、尖细蛾、蛀蒂虫、卷叶蛾类、荔枝蝽、佩夜蛾、白蛾腊蝉、龟背天牛、叶瘿蚊、龙眼鬼帚病与叶斑病等。这些害虫,经过春夏季多代繁殖。到秋季不但累积数量
Longan fall tip refers to the bud shoots drawn in August to October, the autumn tip is to cultivate the base of the result of the parent branch of the coming year, especially the second autumn tip, used to cultivate the results of the coming year mother branch is more ideal; but at the same time, Autumn shoots are also a variety of pest damage and winter over the ideal place. Therefore, the prevention and treatment of autumn tip pests and diseases, not only can directly protect the strong growth of autumn tip, beneficial to cultivate the results of the mother plant in the coming year, but also through the elimination of overwintering pests and diseases, to reduce the flower, shoot pest occurrence and degree of damage, Increase the seat to promote harvest. The main pests and diseases at the autumn shoot stage are as follows: Tricholoma giganteum, Hyphantria cunea, Chaetoceros chinensis, Noctuidae, Cotyledons, leaf roller moth, Lychee stink bug, Spodoptera litura, Leaf mites mosquitoes, longan ghost broom disease and leaf spot disease. These pests, after many generations of spring and summer breeding. Not only the cumulative number of fall