1979年以来,我们采用晚造、海南冬育、广州早造遮光的方法,一年连续种三代,经两年便选出了基本稳定的、有希望的晚稻新品系和材料。1980年晚造对选出的新品系初步测产,其中“青华矮”等表现抗白叶枯病,产量也较高;1981年晚造参加品比试验(15个点)比“二白矮”增产15％。 Since 1979, we have adopted the method of late making, Hainan winter, Guangzhou, Guangzhou, as early as the shade, a year consecutive three generations, after two years we chose a stable and promising new late rice new lines and materials. On the evening of 1980, the preliminary test was conducted on the new line selected, among which “Qinghua dwarf” showed resistance to bacterial leaf blight and the yield was also higher. In the evening of 1981, the ratio of test (15 points) Short "increase of 15%.