小麦早熟性是一系列因素综合作用的结果,它与各生长发育过程的快慢密切相关。凡通过春化、光照阶段发育要求条件不严格,容易在外界环境中获得满足,而本身又生长发育快的品种,一般多表现为早熟。一般抽穗早的品种,常表现为早熟,因此抽穗早晚常被作为小麦早熟性的一个重要指标。杂种生育期长短既受双亲遗传基础重 Wheat precocity is the result of a combination of factors, which is closely related to the growth and development of each. Where through the vernalization, light stage of the development requirements of the conditions are not strict, easy to get satisfied in the external environment, while the rapid growth and development of their own species, the general performance of more precocious. Generally heading early varieties, often manifested as precocious, so heading sooner or later often used as an important indicator of wheat precocity. The length of the hybrid is not only dependent on the parents’ genetic basis