Abstract : Different treatments of reducing source and reducing sink were carried out on hybridize rice Liaoyou1052 with big erect panicle and its parents sterile line 105B and restored line C52.

• 摘要 ： 对直立大穗型杂交稻辽优1052及其母本105B和父本C52做减源和减库处理，研究大穗型水稻品种籽粒灌浆特点。