Efeito da quitosana na propagação por estaquia foliar da planta de interior tropical zamioculca

Autores

DOI:

https://doi.org/10.1590/2447-536X.v29i2.2626

Palavras-chave:

enraizamento, folha principal, rizoma, substrato, tipo de estaca

Resumo

Zamioculca (Zamioculcas zamiifolia) é uma planta perene de importância ornamental e medicinal, ocupando lugar de destaque na família Araceae. Este trabalho teve como objetivo avaliar o processo de desenvolvimento radicular e produção de rizomas por meio de estacas foliares de zamioculcas. O experimento foi conduzido como delineamento completamente casualizado em esquema fatorial com três repetições. Os tratamentos foram compostos pela aplicação de quitosana em três níveis (0, 250 e 500 mg L-1) e a posição de retirada das estacas foliares (apical, médio e basal). Após a aplicação dos tratamentos, as estacas foram submetidas a um período de enraizamento de quatro meses em substrato composto por perlita e fibra de coco (1:1). Os resultados foram significativos para a aplicação de quitosana em vários parâmetros, incluindo número de rizomas, largura do rizoma, número de raízes e qualidade da folha principal. Além disso, o tipo de estaca demonstrou influência significativa na largura e no número de rizomas. Esses resultados demonstraram que a aplicação de quitosana nas concentrações de 250 e 500 mg L-1 teve efeito positivo e resultou em aumento do número de rizomas, largura do rizoma e número de raízes. No geral, pode-se concluir que a quitosana pode promover o crescimento e desenvolvimento de zamioculca estimulando a produção de rizomas e melhorando a proliferação de raízes.

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Biografia do Autor

Fatemeh Badizadegan, Arak University

Faculty of Agriculture and Environmental Science, Department of Horticultural Science and Engineering, Arak, Iran.

Mousa Solgi, Arak University

Faculty of Agriculture and Environmental Science, Department of Horticultural Science and Engineering, Arak, Iran.

Mina Taghizadeh, Arak University

Faculty of Agriculture and Environmental Science, Department of Horticultural Science and Engineering, Arak, Iran.

Ahmadreza Abbasifar, Arak University

Faculty of Agriculture and Environmental Science, Department of Horticultural Science and Engineering, Arak, Iran.

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Publicado

2023-06-26

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