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目前,广大粮食产区生产上种植的常规早稻品种结构单一,品质不优、产量较低,不抗稻瘟病,与市场需求不相适应。选育推广优质高
At present, the conventional early-season rice varieties planted in the vast grain-producing areas have a single structure with poor quality, low yield and no blast resistance, which is incompatible with the market demand. Breeding high quality promotion