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萌芽期遗传

2021-02-18 11:47:03热度:153°C

萌芽期遗传[Genetics of sprouting period] 亦称“开叶期遗传”。发芽时间的遗传。萌芽期一般分早生、中生、晚生三种。树萌芽期在有性后代中有很大的变异,且以亲本的萌芽期为中心。晚生种的后代变异较小。早生种和晚生种杂交,杂种第一代介于双亲之间,杂种第二代可能出现超早生或超晚生的类型。

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