2002年南方稻区国家水稻品种区试组织了华南早籼高产组、华南早籼优质组、华南晚籼组、早籼早中熟组、早籼迟熟组、长江上游中籼迟熟高产组、长江上游中籼迟熟优质组、长江中下游中籼迟熟高产组、长江中下游中籼迟熟优质组、晚籼早熟高产组、晚籼早熟优质组、晚籼中迟熟高产组? In 2002, the National Rice Varieties Regional Trial in South China Rice Region organized the high-yielding early indica rice group in South China, the early indica high-quality group in South China, the late indica rice group in South China, the early indica early middle-aged group, the early indica late-maturing group, , The middle late indica late maturing high yielding group in the middle and lower reaches of the Yangtze River, the middle late indica late yielding high yielding group in the middle and lower reaches of the Yangtze River, the late maturing high yielding late indica rice group,