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Enraizamento de estacas em cameleira (Camellia japonica L.)

Authors: Gonçalves, D.; Ribeiro, M.M.A.; Antunes, Ângela;

Enraizamento de estacas em cameleira (Camellia japonica L.)

Abstract

No ano de 2001, efectuaram-se ensaios com estacas terminais provenientes de uma cameleira de origem seminal, em duas épocas diferentes do ano (Abril e Junho). Os tratamentos incluíram a realização de uma ferida longitudinal (FP) e a aplicação de AIB (ácido indol-3-butírico) em solução à base das estacas durante um segundo, em três concentrações diferentes: 5 000, 10 000 e 15 000 ppm. Após 2 meses do início dos ensaios anotou-se o número de estacas enraizadas (NR), mortas (M) e com callus (C), para além, do número médio de raízes e do comprimento médio da maior raiz. Os tratamentos que incluíram AIB e ferida provocaram as percentagens de enraizamento mais elevadas em ambas as épocas. A época mais propícia para se obterem as melhores percentagens de enraizamento foi a de Abril, para os tratamentos com concentrações mais baixa e mais elevada de AIB (5 000 e 15 000 ppm), com 70 e 73% de estacas enraizadas ao fim de 2 meses e 77 e 87% ao fim de 3 meses. A maior percentagem de estacas mortas verificou-se na época de Junho. Em Abril e Junho, os tratamentos que conduziram a uma maior percentagem de callus corresponderam aqueles onde não se aplicou auxina.

Country
Portugal
Related Organizations
Keywords

Estaca, Enraizamento, Camellia japonica

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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