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(一)育种的成就与任务软粒冬小麦是苏联的重要谷类作物之一。每年播种面积为1800—2100万公顷,其中乌克兰为600—800万公顷。在谷类粮食平衡中冬小麦占第一位。近些年来由于推广了高产品种使冬小麦的平均产量显著增长。1971—1975年间全国平均产量为18.7—27公担/公顷,而乌克兰则达22.9—31.9公担/公顷,其中1973和
(A) the achievements and tasks of breeding soft winter wheat is one of the important cereal crops in the Soviet Union. Annual sown area of 1800-2100 million hectares, of which Ukraine is 600-800 hectares. Winter wheat ranks first in the cereal balance. In recent years, the average winter wheat production has increased significantly due to the promotion of high-yielding varieties. The average national production between 1971 and 1975 was 18.7-27 hectares / hectare, while in Ukraine it was 22.9-31.9 hectares / hectare, of which 1973 and