Grain iron and zinc concentrations of rice were analyzed with 290 rice germplasms and 134 rice lines, including japonica hybrids, corresponding restorers, maintainers (CMS-D1system).

• 本研究首次分析了290份水稻种质和134份滇型杂交粳稻及其亲本（恢复系、保持系）稻米铁、锌矿质元素含量。