2012
DOI: 10.5902/198050985082
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Composição do substrato sobre o desenvolvimento, qualidade e custo de produção de mudas de <i>Eucalyptus grandis</i> Hill ex Maiden × <i>Eucalyptus urophylla</i> S. T. Blake.

Abstract: RESUMOOs componentes utilizados na produção de substratos influem diretamente no ciclo vegetativo, na qualidade e consequentemente nos custos de produção das mudas. Nesse experimento estudou-se o desenvolvimento, qualidade e custos de produção de mudas de Eucalyptus grandis Hill ex Maiden × Eucalyptus urophylla S. T. Blake, por meio de propagação sexuada, utilizando 12 composições de substrato. A análise dos resultados evidenciou que os substratos puros, a exceção da fibra de coco, não apresentaram característ… Show more

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Cited by 32 publications
(39 citation statements)
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“…However, these authors did not rule out the use of coconut fiber because of its good attributes of water retention and porosity that classify it as an important material to compose substrates for seedlings, and suggested adjustments in the water management in the nursery that should be specific to each type of substrate composition. This may help explain the positive results obtained by Simões et al (2012) in the evaluation of substrates for the production of eucalyptus seedlings in tubes, in which the 1:1 mixture of carbonized rice husk and coconut fiber was highlighted, as well as the 1:1 mixture of vermiculite and coconut fiber. In their research with the objective of evaluating substrates for the production of mate herb seedlings, Kratz et al (2015) reported that those containing balanced proportions of coconut fiber and carbonized rice husk favored the root development of the seedlings.…”
Section: Substrates For Rooting and Seed Germinationmentioning
confidence: 73%
See 1 more Smart Citation
“…However, these authors did not rule out the use of coconut fiber because of its good attributes of water retention and porosity that classify it as an important material to compose substrates for seedlings, and suggested adjustments in the water management in the nursery that should be specific to each type of substrate composition. This may help explain the positive results obtained by Simões et al (2012) in the evaluation of substrates for the production of eucalyptus seedlings in tubes, in which the 1:1 mixture of carbonized rice husk and coconut fiber was highlighted, as well as the 1:1 mixture of vermiculite and coconut fiber. In their research with the objective of evaluating substrates for the production of mate herb seedlings, Kratz et al (2015) reported that those containing balanced proportions of coconut fiber and carbonized rice husk favored the root development of the seedlings.…”
Section: Substrates For Rooting and Seed Germinationmentioning
confidence: 73%
“…However, its use alone is not recommended. Simões et al (2012) recommended the balanced blend of coconut fiber with carbonized rice husk or vermiculite in equal parts. Taveira (2016) states that coconut fiber needs to be supplemented with extra sources of nutrients by fertigation or use of slow release fertilizers such as osmocote; B) constituting substrates by mixing organic soil, sand, tanned manure of animals (catttle, goat and poultry), among other materials, and subjecting them to disinfestation.…”
Section: Substrates For Growingmentioning
confidence: 99%
“…No mesmo sentido, Simões et al (2012), testando a produção de mudas de Eucalyptus grandis Hill ex Maiden × Eucalyptus urophylla S. T. Blake, por meio de propagação sexuada, utilizando 12 composições de substrato, observaram que houve variação de 2,45 mm a 3,48 mm, para o diâmetro das mudas. Os autores também concluíram que os melhores resultados foram obtidos nos substratos com mistura 1:1 de casca de arroz carbonizada e fibra de coco e 1:1 de vermiculita e fibra de coco.…”
Section: Resultsunclassified
“…SIMÕES et al (2012) relatam que a má-formação do sistema radicular traz um desiquilíbrio na parte aérea, uma vez que impede a absorção necessária de água e nutrientes para atender às necessidades da planta. Portanto, além de ter a capacidade volumétrica adequada, os recipientes utilizados para o cultivo de mudas devem apresentar o formato e as dimensões devidamente projetadas para as raízes se desenvolverem adequadamente.…”
Section: Resultsunclassified