论文部分内容阅读
小麦主茎叶数是器官建成生长发育年龄的重要标志。因此,小麦温光反应特性的差异,除表现在穗部器官建成速度与抽穗速度外,还集中表现在主茎叶片数上。研究表明主茎叶数的变异受品种遗传及温光环境的影响。在人工控制春化和光照条件下,所有供试品种的最少叶数十分接近于春性小麦的最少叶数,表明春性品种可能是小麦冬春性进化的基本型。
The number of main stems and leaves of wheat is an important indicator of the age at which organs are built and grown. Therefore, the difference of temperature and light response characteristics of wheat, except for the performance of spike organs establishment speed and heading speed, is also mainly reflected in the number of main stem leaves. Studies have shown that the variation of the number of stems and leaves is influenced by the heredity and the temperature and light environment of the cultivars. Under artificial control of vernalization and light conditions, the least number of leaves of all tested cultivars was very close to the least number of leaves of spring wheat, indicating that spring varieties may be the basic type of winter and spring sexual evolution of wheat.