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小麦的生长阶段小麦要从营养生长过渡到生殖生长,必须经过两个发育阶段,即春化阶段和光照阶段。小麦种子萌发后,便可进入春化阶段的发育。其特点是在所需要的综合条件中必须有一定时间和一定程度的低温,否则就不能通过春化阶段,而永远停留在分蘖状态。那么,根据小麦通过春化阶段所需温度高低和时间长短,可把小麦品种分为冬性、弱(半)冬性和春性三种基本类型。冬性品种对温度要求极为敏感,春化阶段适宜温度在0℃~5℃,需经历30~50
Wheat growth stage Wheat from vegetative growth to reproductive growth, must go through two developmental stages, namely the vernalization stage and light stage. After germination of wheat seeds, they can enter the vernalization stage of development. It is characterized by the need for a certain period of time in a comprehensive condition and a certain degree of low temperature, otherwise it can not pass through the vernalization stage, but stay forever in the tillering state. Well, according to the wheat through the vernalization stage of the required temperature and the length of time, the wheat varieties can be divided into winter, weak (semi) winter and spring three basic types. Winter varieties are extremely sensitive to the temperature requirements, the appropriate temperature during the vernalization stage is 0 ℃ ~ 5 ℃, subject to 30 ~ 50