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软粒红色冬小麦加工出的面粉质地好，适于做面包、蛋糕。因此，美国十分重视软粒红色冬小麦生产。但小麦白粉病有１０个生理小种，对小麦生产危害很大，每年美国防治白粉病花费达２００万～３００万美元。所以，美国把选育高抗白粉病的品种一直作为研究重点。经过多年的工作，
Flour red wheat processed wheat flour texture is good, suitable for bread, cake. Therefore, the United States attaches great importance to the production of soft-grained red winter wheat. However, wheat powdery mildew has 10 physiological races, which are very harmful to the wheat production. Each year the United States spends about 2 million to 3 million U.S. dollars to control powdery mildew. Therefore, the United States has been breeding high-resistant varieties of powdery mildew as a research focus. After years of work,