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研究结果表明,苹果短枝一般在4月上、中旬进入停长期,停长后2—4天出现停长高峰;花芽形态分化于短枝停长后7—11周开始,并持续若干周;完成一个花芽从分化开始到雌蕊原始体形成需要10—13周。
The results showed that short stalks of apple usually entered the suspended phase in the upper and middle stages in April and peaked in 2-4 days after their suspension. The flower bud morphological differentiation started 7-11 weeks after the short stalk was stopped and continued for several weeks. It takes 10-13 weeks to complete a flower bud from the beginning of differentiation to the formation of pistil primordium.