小麦是四川省第二大粮食作物,常年种植面积2300万亩(1亩=1/15公顷,下同),占小春作物总面积的68%,居全国第6位、西部第1位,小麦在四川粮食生产、农业经济发展中占有重要地位。然而,四川小麦生产一直面临着条锈病危害重、加工品质差、产量低三大难题,这些因素严重地制约了四川小 Wheat is the second largest grain crop in Sichuan Province with annual acreage of 23 million mu (1 mu = 1/15 hectare, the same below), accounting for 68% of the total crop of Xiaochun, ranking sixth in the country, No. 1 in western China, In Sichuan grain production, agricultural economic development occupies an important position. However, wheat production in Sichuan has been facing three major problems, such as the severe damage to the stripe rust, the poor processing quality and the low output. These factors severely restrict Sichuan’s small