目前 ,华南双季稻作区种植的常规稻品种大多数都是早晚兼用型品种 ,不少生产上应用的杂交组合也属早晚兼用型。早晚兼用型品种 (组合 )在早晚季种植时稻米品质会有所不同 ,普遍的经验认为晚季稻米的食味品质优于早季 ,但对于稻米蒸煮、外观、碾米、食味等具体品质指标在早晚季 At present, most conventional rice varieties planted in double-cropping paddy fields in South China are both early and late varieties, and many hybrid combinations used in production are also suitable for both morning and evening. The quality of late rice is better than that of early season. However, the specific quality indexes of rice cooking, appearance, rice milling and taste are in the range of Morning and evening