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Y4S是水稻育种家杨振玉先生杂交选育而成的水稻品种。近年来,我们通过对Y4S的生长发育特性进行观察研究,并应用Y4S与多个品种(品系)进行测交,基本
Y4S is a hybrid rice bred from rice breeder Yang Zhenyu. In recent years, we observed and studied the growth and development characteristics of Y4S, and used Y4S to test the hybridization with several varieties (lines). The basic