Pulsing com 6-benzilaminopurina e sacarose prolonga a vida de vaso de inflorescências de lírio ‘Nova Scotia’

Lorena Pierina Marcelino Cordeiro; Thaís Akemi Sillmann; Ana Paula Preczenhak; Ricardo Alfredo Kluge; Claudia Fabrino Machado Mattiuz

doi:10.1590/2447-536X.v32.e322988

Autores

Lorena Pierina Marcelino Cordeiro Universidade de São Paulo https://orcid.org/0009-0008-5845-3594
Thaís Akemi Sillmann Universidade de São Paulo https://orcid.org/0000-0003-2290-5823
Ana Paula Preczenhak Universidade de São Paulo https://orcid.org/0000-0002-6700-0115
Ricardo Alfredo Kluge Universidade de São Paulo https://orcid.org/0000-0002-6198-8871
Claudia Fabrino Machado Mattiuz Universidade de São Paulo https://orcid.org/0000-0002-1044-0902

DOI:

https://doi.org/10.1590/2447-536X.v32.e322988

Palavras-chave:

BAP, Lilium spp., longevidade, qualidade

Resumo

O lírio (Lilium spp.) é amplamente apreciado por sua beleza e diversidade de cores, sendo uma importante flor de corte. No entanto, sua qualidade pós- colheita é limitada, exigindo tratamentos específicos e que necessitam ser investigados como a aplicação conjunta de sacarose e 6-benzilaminopurina (BAP). Nesse contexto, este estudo se propôs investigar o uso de soluções de pulsing contendo diferentes concentrações de BAP acrescido de sacarose na conservação pós-colheita de lírio ‘Nova Scotia’. O delineamento experimental foi inteiramente casualizado em um esquema fatorial, com cinco tratamentos (25 mg L^-1 BAP + 100 g L^-1 de sacarose; 50 mg L^-1 BAP + 100 g L^-1 de sacarose; 75 mg L^-1 BAP + 100 g L^-1 de sacarose, fórmula comercial Chrysal® e controle com água deionizada) e quatro datas de avaliação. Foram avaliados aspectos visuais como a coloração das tépalas e das folhas, e quantificados o teor de carboidratos totais, a variação de massa fresca, a absorção de solução e a longevidade floral. Os resultados demonstraram que a aplicação de BAP e sacarose desempenhou um papel significativo na manutenção da qualidade pós-colheita das flores de lírio ‘Nova Scotia’. Mesmo em doses mais baixas, essas substâncias demonstraram promover um ganho significativo de massa fresca e prolongar a longevidade das flores.

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