Stay-green: a potentiality in plant breeding

Looking at the new demands of the global agricultural scenario, the search for more productive, efficient and stress adapted genotypes has attracted attention of plant breeders regarding plants with improved physiological characteristics. Therefore, the stay-green trait has taken proeminence as an i...

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Bibliographic Details
Published in:Ciência rural 2015-10, Vol.45 (10), p.1755-1760
Main Authors: Luche, Henrique de Souza, Silva, José Antonio Gonzalez da, Maia, Luciano Carlos da, Oliveira, Antonio Costa de
Format: Article
Language:English
Subjects:
AGRONOMY
estresse abiótico
melhoramento
senescência retardada
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Summary:Looking at the new demands of the global agricultural scenario, the search for more productive, efficient and stress adapted genotypes has attracted attention of plant breeders regarding plants with improved physiological characteristics. Therefore, the stay-green trait has taken proeminence as an important strategy to overcome the current yield plateaus allied with yield adaptability and stability. This review has aimed to bring light the main aspects of the stay-green character, showing their employment potential of plant breeding. Observando as novas demandas do cenário agrícola mundial, a busca por genótipos mais produtivos, eficientes e adaptados a estresses tem chamado a atenção de melhoristas de plantas na análise de plantas com melhores características fisiológicas. Nesse contexto, o caráter stay-green vem tomando destaque, como uma importante estratégia em superar os atuais tetos de produtividade, aliados à adaptabilidade e estabilidade. Esta revisão tem com objetivo trazer à luz os principais aspectos relacionados ao caráter stay-green, mostrando suas potencialidades de emprego no melhoramento genético de plantas.
ISSN:0103-8478
1678-4596
0103-8478
DOI:10.1590/0103-8478cr20140662