早籼“78—334”系宜春地区农科所以(IR_24×钱青)的第二代再与湘矮早9号复交选育而成的早熟高产品种。该品种在初、中级试验鉴定中,性状表现优异,因而提前参加了1980年的省级区试。据1980年全省区试鉴定结果,该品种平均亩产834.7斤,居首位,较对照7055平均增产6.4％。经变量分析,达极显著水准。在全省 Early Indica “78-334” Department of Agricultural Science in Yichun so (IR_24 × Qian Qing) second generation and Xiang short morning 9 complex breeding of early maturity and high yield varieties. The variety in early, intermediate test appraisal, traits outstanding, and thus in advance to participate in the 1980 provincial test. According to the results of the district trial test in 1980, the average mu yield of this variety was 834.7 kg, ranking the first place, an increase of 6.4% over the average of 7055. By variable analysis, reached a significant level. In the province