Abstract
Maize (Zea mays L.) is a globally important crop species that feeds much of the world’s population and possesses morphology and phenotypic diversity that allow it to be manipulated to produce more productive varieties. Breeding programs have progressively optimized the structural feature of maize plant and organ to increase yield and to improve its adaptability to global climates and environments. Maize plant and organ ideotype development, and the innovative experience of traditional breeders allow us to suggest novel structural features worthy of selection in future breeding programs, including plant type, yield organ traits, architecture of nutrient transfer and epigenetics. And important environmental factors affecting development and epigenetic memory throughout maize life history are analyzed. Comprehensive understanding of maize structural features by means of phenotypic trait panorama provides the initial theoretical foundations for breeding programs based on advanced biotechnology.
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Acknowledgements
This study was supported financially by the Special Fund for Agro-scientific Research in the Public Interest (200903008-15) and the DUS Testing of New Varieties of Plants and Breeding of standard Varieties (201802). We thank anonymous Chinese breeders for granting opportunities to take photos of their hybrid materials and their significant comments on the manuscript. We thank editors and anonymous reviewers for comments and advices on the manuscript.
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QL. designed the work, performed the field observations and analysis of the morphology of maize plant and organs; LG. supported the research through project funds, LG., LX., DL., XZ. and CZ. contributed comments on the conception of the research and revised the manuscript. QL. wrote and edited the manuscript. All authors read and approved the final manuscript.
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Li, Q., Gao, L., Liu, D. et al. Novel insights of maize structural feature in China. Euphytica 217, 7 (2021). https://doi.org/10.1007/s10681-020-02742-3
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DOI: https://doi.org/10.1007/s10681-020-02742-3