大紫“甜樱桃，近几年在我省栽培面积不断扩大，其采摘时期对果实品质和果园经济效益影响很大。为了查明其适宜采收期，我们于1994年做了该项试验。1材料与方法试验在北戴河陆庄樱桃园进行。该园为山坡梯田，肥力中等，管理水平较高，选生育正常的9年生”大紫“20株，其株行距为2m Big purple sweet cherry, cultivation area in our province has been expanding in recent years, its picking period on the fruit quality and orchard economic impact of a great deal.In order to identify the appropriate harvest period, we did the test in 1994 .1 Materials and Methods The experiment was carried out in the Luzhuang Cherry Garden in Beidaihe, which was a hillside terrace with medium fertility and high management level. Nine strains of ”Zijin" with normal fertility were selected and their row spacing was 2m