月份病虫种类化学防治方法其它防治方法12月至翌年2月多种越冬病虫12月上旬或翌年元月下旬二月上旬用卜2次石硫合剂全园喷布冬季清园,清除杂草,树干涂白.剪去病虫枝.实行中拱3月红蜘蛛、蚜虫天气较吸和,在3月底.根据虫口密度红蜘蛛达每叶5头以上深用挑治.可用2既杀灭菊助18加倍 Month Pest species Chemical control methods Other control methods December to February the following year a variety of winter pests in early December or the first of January the following year in early February early with Bu 2 times stone sulfur mixture Park spray winter garden, , The trunk painted white. Cut off the pest branches. Implementation of the arch red spider in March, the weather is more sucking and aphids, at the end of March .According to the population density of red spider up to 5 leaves per leaf deep with pick governance available 2 both kill Kikuzen 18 times more