一、选育经过 1973年我们从中国农科院引进苏联冬小麦品种高加索(Кавказ)和美国强冬性小麦品种纽格涅斯(Nugaines)。高加索是当时较好的抗源,抗条、叶、秆锈病和白粉病,综合丰产性较好。纽格涅斯是美国的高产品种,具有较理想的株叶型结构,但不抗条、叶、秆锈病和白粉病。为了使高加索的 I. Breeding After 1973, we introduced the Soviet Union’s winter wheat variety Caucasus (Кавказ) and the US strong winter wheat variety Nugaines from the Chinese Academy of Agricultural Sciences. Caucasus was a good source of resistance, resistance, leaves, stem rust and powdery mildew, the comprehensive high yield is better. Newgnese is a high-yielding variety in the United States that has an ideal plant-leaf structure but does not resist bar, leaf, stem rust and powdery mildew. To make Caucasus