Unlocking secrets of fertility restoration for hybrid breeding in crops

揭开作物杂交育种恢复肥力的秘密

• 批准号: FT220100792
• 负责人: Dr Joanna Melonek
• 金额: $ 53.31万
• 依托单位: The Australian National University
• 依托单位国家: 澳大利亚
• 项目类别: ARC Future Fellowships
• 财政年份: 2023
• 资助国家: 澳大利亚
• 起止时间: 2023-10-02 至 2027-10-01
• 项目状态: 未结题
• 来源: https://dataportal.arc.gov.au/RGS/Web/Grants/FT220100792
• 关键词: Unlocking; secrets; fertility; restoration; hybrid

Hybrid varieties give higher and more stable yields than conventional lines, but a cost-effective system to make hybrid seed on a commercial scale is still missing for economically important crops like wheat or barley. By elucidating the mode of action of a new type of restorer gene plus exploiting ancient or exotic wheat and barley collections this project will reveal aspects of largely understudied mechanisms underlying fertility restoration in wheat and barley. The expected outcomes of the proposed research have the potential to deliver new tools for hybrid seed production programs in wheat and barley. Higher and more stable yields from hybrids will ensure food security in the face of an uncertain climate and growing human population.

与传统品系相比，杂交品种的产量更高、更稳定，但对于小麦或大麦等重要的经济作物来说，仍缺乏一种经济高效的系统来生产商业规模的杂交种子。通过阐明一种新型恢复基因的作用方式，再加上利用古老的或外来的小麦和大麦收藏，该项目将揭示小麦和大麦育性恢复的基本机制，这些机制在很大程度上还没有得到充分的研究。拟议研究的预期结果有可能为小麦和大麦的杂交种子生产项目提供新的工具。在气候不确定和人口不断增长的情况下，杂交作物的更高和更稳定的产量将确保粮食安全。