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桂朝二号是广东省农科院用桂阳矮49号与朝阳早18号杂交选育而成的早晚兼用良种。1980年在我国南方稻区区域试验中,不论作早稻还是中稻栽培均名列第一位。 1977年我所开始引种,1979年二晚扩大示范种植,表现良好。1980年全县种植面积达3万余亩,其中2万多亩作二晚栽培,在大部分社队都获得高产。根据我所四年五季种植观察,及到部分社队试种调查结果,对桂朝二号的丰产性能,主要特征以及栽培技术作如下总结分析。
Gui Chao two is the Guangdong Provincial Academy of Agricultural Sciences with the dwarf No. 49 Guiyang and Chaoyang early hybrid early morning and evening of 18 breeding. In 1980, in the regional experiment of rice in the southern part of China, it ranked the first place both for early rice and middle rice cultivation. In 1977, I started to introduce and expanded demonstrative planting two nights in 1979, performing well. In 1980 the county planted an area of more than 30000 acres, of which 20000 acres for two nights cultivation, in most of the commune have access to high yield. According to the four-year planting observation of the five seasons and the results of the survey conducted by some communes and brigades, the yield performance, main characteristics and cultivation techniques of Gui and Chao-2 were summarized as follows.