2005
DOI: 10.1590/s0100-204x2005001200012
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Alterações anatômicas induzidas pelo cálcio na parede celular de frutos de goiabeira

Abstract: Resumo -O objetivo deste trabalho foi avaliar modificações na parede celular de goiaba, em frutos de plantas submetidas à aplicação de cálcio (Ca). Frutos de goiabeira cultivar Paluma foram colhidos em área sem aplicação de calcário e com aplicação de corretivo. Os frutos que receberam aplicação de Ca tiveram as paredes celulares e as lamelas médias bem definidas e estruturadas; nos frutos sem aplicação de cálcio, as paredes celulares estavam desestruturadas e com desorganização da lamela média. A aplicação de… Show more

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Cited by 22 publications
(13 citation statements)
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“…Higher firmness may be explained by the fact that calcium provides greater rigidity to cell walls, thus promoting better postharvest conservation potential, as reported by Natale et al (2005), in 'Paluma' guava trees. These authors concluded that guava trees grown in areas where lime was applied to soil before planting showed higher fruit calcium content three years after planting.…”
Section: Methodsmentioning
confidence: 76%
“…Higher firmness may be explained by the fact that calcium provides greater rigidity to cell walls, thus promoting better postharvest conservation potential, as reported by Natale et al (2005), in 'Paluma' guava trees. These authors concluded that guava trees grown in areas where lime was applied to soil before planting showed higher fruit calcium content three years after planting.…”
Section: Methodsmentioning
confidence: 76%
“…Esse fato ocorre em razão da baixa translocação do cálcio via floema, sendo o fruto suprido somente na sua fase inicial de desenvolvimento via xilema. Além disso, os pontos de crescimento da planta competem por esse nutriente com o fruto (NATALE et al, 2005).…”
Section: ) No Pomar Durante a Formação Do Fruto Sobre As Qualidadesunclassified
“…The exact causes of this behaviour were not the focus of this work. Considering that calcium and boron contributes to cell wall stability and maintenance of endomembrane system, respectively (COLLINS & TISDELL, 1995;NATALE et al, 2005), it is possible that these mechanism may be associated with the prevention of the mentioned injuries. …”
Section: Resultsmentioning
confidence: 99%