时间物候期病虫害防治枝蔓管理土肥水管理4月中下旬萌芽期防治越冬病虫 :剥掉死亡老树皮 ,清除园外烧毁 ;上架后芽子膨大吐绒时 ,喷 3～ 5度石硫合剂 ;病斑涂抹 40 %福美砷5 0 0倍液。当院内杏花始花期 (4月 10～ 2 0日 )出土上架 ,匀绑枝蔓 ,及时抹除弱芽、副芽、位置不当无用 Time phenology pest control vine management soil and fertilizer water management in mid and late April germination period control pests and diseases: remove the dead old bark, remove the park burn; ; 40% of the smear Fortune arsenic 500 times. When the flowering apricot hospital (April 10 ~ 20) unearthed the shelves, uniform tie vine, timely removal of weak buds, side buds, improper location useless