题目内容

桂花种子以下说法正确的是()。

A. 最好随采随播，能提高发芽率
B. 具有生理后熟作用，需用湿沙贮藏到第二年春再播
C. 当年播种当年能发芽。
D. 寿命期1年，在寿命期内什么时候播种都可以。

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