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在对潮汕地区杂交稻早造制种实践进行综合分析的基础上 ,根据亲本主茎总叶片数与平均出叶速度间的相关性 ,建立了父母本播叶差及对应叶龄参照表 ,可为杂交稻早造制种播差安排及前期预测花期提供参考。
Based on the comprehensive analysis of hybrid seed production practices in early Chaoshan region, the table of parent leaf sowing and corresponding leaf age was established according to the correlation between the total number of main stems and the average leaf-out speed of parents. This study provides a reference for early sowing and sowing arrangement and early forecasting flowering date of hybrid rice.