“桂朝二号”是广东省农科院粮食作物研究所,于一九七三年晚季用丛生快长型晚籼“桂阳矮49号”与早籼“朝阳18号”杂交,经过早晚六代的连续选择,于一九七六年育成的早和中迟熟品种。这品种一九七九年晚季在云霄县莆顶大队多点试种中表现良好。在大队农科队的12个早、晚季品种对比试验中,“桂朝二号”获亩产1025.5斤,列居首位,比对照品种“青二矮”929.4斤增96.1斤,增产10.3％;比“四优2号”908斤(因穗稻瘟及后期低温影响),增产12.9％;比当家品种“包胎矮”694.1斤,增产47.7％。大队党支部“桂朝二号”试验田1.32亩,经地、县、场三级联合验收,亩 “Gui and Chao II” is the Institute of Food Crops of Guangdong Academy of Agricultural Sciences. In the late 1973, the “Guiyang Dian 49” and the early indica “Chaoyang 18” Continuous selection of morning and evening six generations, early and middle late maturing varieties bred in 1976. This variety performed well in the late 1979 trial in the multi-point trial of Puding Brigade in Yunxiao County. In the comparative study of 12 early and late varieties in the Brigade and Agricultural Corps, “Guichao II” gained 1025.5 kg of mu per mu, ranking the first place, 996.4 kg more and 96.1 kg more than that of the control variety “Qing Er Dwarf”, an increase of 10.3% %; Than the “Siyou 2” 908 kg (due to rice blast and late low temperature effects), an increase of 12.9%; than the original varieties of “covered tire short” 694.1 pounds, an increase of 47.7%. Brigade Party “Gui North II” experimental field 1.32 acres, by land, county, field three joint acceptance, mu