食用优质早稻品种应该是质优、产量高、熟期适中、适应性好 ,有一定抗病虫性及耐逆境生态等优异性状的综合表现。目前 ,优质早稻品种尚少 ,制约了优质早稻的发展。当今 ,中国南方几省早籼稻米多数品质差 ,售价低 ,销不出 ,出现了卖粮难现象 ,已引起政府高度重视。 1999年 3月 2 Good quality early rice varieties should be high quality, high yield, moderate maturity, good adaptability, a certain degree of resistance to pests and diseases, and other excellent ecological performance of the comprehensive performance. At present, the quality of early rice varieties is still small, restricting the development of high quality early rice. Today, most of the indica rice in several southern provinces of China have poor quality, low prices and no sales, resulting in the phenomenon of selling food and have drawn great attention from the government. March 1999 2