利用小麦雄性不育系培育杂种小麦,是近年来国外小麦育种工作中的一个新趋向和新途径。据报导,杂种小麦一般增产20～35%,有的报导为70～80%,同时表现出生长繁茂、适应性强等杂交优势。自五十年代初期日本人首先报导了获得小麦雄性不育系以后,美国、加拿大、印度、罗马尼亚、苏联等国都开展了杂种小麦的研究。目前,尽管在大面 The use of wheat male sterile lines to cultivate hybrid wheat is a new trend and a new way in foreign wheat breeding in recent years. It has been reported that hybrid wheat generally increases yields by 20-35% and some reports by 70-80% while showing hybrid vigor such as high growth and adaptability. Since the early 1950’s, when the Japanese first reported the availability of wheat male sterility lines, the United States, Canada, India, Romania, the Soviet Union and other countries conducted research on hybrid wheat. At present, though in large scale