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庆元2号系浙江省庆元县农科所1970年用晚籼品种鸣谷与早籼品种珍汕杂交,再用珍汕回交,经五年十个世代的选育,于1975年定型的一个中熟偏早的早籼新品种。1976年在拔海350—1040公尺范围地区,经不同自然条件和生产条件的社队试验和试种结果,表现抗低温力强,抗稻瘟病力强,分蘗力强,成穗率高,适应性广,产量高。据6个有代表性地区早稻
Qingyuan 2 Department of Qingyuan County, Zhejiang Province Institute of Agricultural Sciences in late indica rice varieties in 1970 with early Indica indica hybrids Jane Chan, and then back to Zhen Shan, after five years of ten generations of breeding, in 1975 stereotypes A mid-mature early indica new varieties. In 1976, in the range of 350-1040 meters in pulling sea, the community team test and the planting results under different natural conditions and production conditions showed that the anti-low-temperature and strong blast resistance, strong tillering ability, Wide adaptability, high yield. According to six representative areas of early rice