江苏省稻作历史上,中籼稻地区为了利用粳稻的稻米品质和价格优势,曾经进行过几次“籼改粳”,但是最终由于粳稻品种本身的产量和熟期问题,而没有大面积推广。近年来,随着人民生活水平的提高,农业生产的发展,特别是中粳稻育种水平的提高,“籼改粳”问题再次引起人们的关注。本文 In the history of rice cultivation in Jiangsu Province, in the middle-indica rice region, “Indica-to-japonica” has been conducted several times to make use of the rice quality and price advantage of japonica rice. However, due to the problem of yield and maturity of the japonica variety itself, there is not a large-scale promotion. In recent years, with the improvement of people’s living standard and the development of agricultural production, especially the improvement of the breeding level of middle-sized japonica rice, the issue of “Indica-japonica transformation” has once again drawn people’s attention. This article