CHALLENGES FOR STORING RECALCITRANT SEEDS
Palavras-chave:
Embalagens; Secagem de sementes; umidade de sementes;Resumo
A percepção de que as sementes apresentavam diferenças em seus teores de água quando desligadas da planta-mãe, e consequentemente, variações no período de manutenção da viabilidade retoma ao início da agricultura, quando povos ao redor do mundo passaram a ter que produzir alimento em decorrência do crescimento populacional, deixando de ser exclusivamente extrativistas. Sementes recalcitrantes não toleram dessecação e temperaturas próximas a zero grau, devido à inexistência de mecanismos antioxidativos e de manutenção dos compartimentos celulares. Dessa forma, este trabalho tem por objetivo revisar os principais conceitos e as técnicas de secagem e armazenamento, usualmente utilizadas em sementes ditas recalcitrantes.
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