中稻是我省主要粮食作物之一,种植面积700万亩左右。在自治州中稻栽培面积约占稻田总面积的80%,产量约占常年粮食总产量的60%,在粮食生产中占举足轻重的地位。从1976年起,我们针对山区稻瘟病严重的问题,开展了以抗病为中心,选育高产、耐旱、优质的常规中稻品种的育种工作。1980 Zhongyao is one of the main grain crops in our province, planting an area of ​​about 700 mu. In autonomous prefectures, the cultivated area of ​​middle rice accounts for about 80% of the total area of ​​paddy fields and the output accounts for about 60% of the annual total grain output, which plays a decisive role in the grain production. Since 1976, in response to the serious problem of rice blast in the mountain areas, we have started the breeding work of breeding conventional high-yielding, drought-tolerant and high-quality conventional mid-rice varieties with disease resistance as the center. 1980