大樱桃枝果生长动态观察

目的]了解大樱桃在黔北遵义的适应性。方法]对红灯、大紫、芝罘红樱桃的枝果生长情况进行观察。结果]供试樱桃一年多次生长,萌芽率高,成枝力弱,红灯、大紫长势较强,芝罘红较弱。叶芽萌动在2月底3月初;展叶分离在3月中下旬;5月上旬果实采收后为新梢生长高峰期,7月后新梢生长速度降慢,8月底9月初停。花芽在2月下旬开始萌动;露萼露瓣在3月上中旬;盛花期在3月下旬,花期7~10 d,花后3~5 d子房明显膨大,果实生长呈快-慢-快的节奏。果实发育期大紫为35 d,芝罘红为38 d,红灯为40 d。3个品种果实均有光泽,食用百分率高,酸甜适中,经济性状好。结论]大樱桃在黔北遵义地区枝梢生长呈慢-快-慢的节奏,高峰在果实采收后;果实生长呈快-慢-快的节奏。

Study on the Growth of the Branch and Fruit of Sweet Cherry

Objective] The adaptability of sweet cherry(Cerasus avirum Moech) in Zunyi of Guizhou was experimented.Method] The branch and fruit growth of sweet cherry variety: Hongdeng,Dazi and Zhifuhong,was observed.Results] The result showed that the sweet cherry had multiple growth peaks in one year with high ratio of bud-growing and weak ratio of branch formation.The variety-Hongdeng and Dazi had vigorous growth and Zhifuhong was weak.The bud germinated from the end of Feb.to the beginning of March.The leaf-open...