研究解决冬小麦就地加代的技术问题,对加快育种进程,避免长途跋涉和异地加代在性状选育准确性方面的不良影响,都有重要意义.近年来,国外对小麦加代理论和技术的研究相当重视,并有较大进展.日本一年繁育四代,苏联在人工气候室内一年繁育到五代.国内以利用祖国辽阔自然资 It is of great significance to study and solve the technical problems of on-the-spot generation of winter wheat in order to speed up the breeding process, avoid the long-distance trek and add the off-site generation in the accuracy of character selection.In recent years, Attention and progress .Japan bred four generations a year, the Soviet Union in the artificial climate indoor breeding five generations a year to take advantage of the vast natural resources of the motherland