2016
DOI: 10.1590/s0100-204x2016001200006
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Pré-seleção de poliploides por métodos foliares em acessos de bananeira

Abstract: Resumo -O objetivo deste trabalho foi avaliar métodos foliares para pré-selecionar poliploides putativos de bananeira em trabalhos com poliploidização in vitro. A espessura foliar, estimada a partir da massa específica das matérias fresca e seca de discos foliares, e a turgescência foliar das plantas, medida diretamente nas plantas às 6h30 da manhã com o aparelho Wiltmeter, foram determinadas em mudas de bananeira diploides (Calcutta e Lidi), triploides (Grande Naine e Williams) e tetraploides (Bucanero e Caly… Show more

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“…However, time and resources can be optimized using indirect methods to estimate ploidy and pre-select possible polyploids when dealing with hundreds and even thousands of obtained plants. Morphological and anatomical traits are associated with polyploid plants because they have larger cells and organs and are usually more robust than diploid ones (COSTA et al, 2011;JESUS et al, 2016;MANDAIL et al, 2022). Parameters such as leaf blade thickness, which can be indirectly measured by leaf disc mass, cell size, and stomata size and density (GANGA; CHEZHIYAN, 2002;FOSCHI et al, 2013;TOMÉ et al, 2016), can be used to considerably reduce the number of plants to be analyzed for ploidy determination, facilitating polyploidization research.…”
Section: Introductionmentioning
confidence: 99%
“…However, time and resources can be optimized using indirect methods to estimate ploidy and pre-select possible polyploids when dealing with hundreds and even thousands of obtained plants. Morphological and anatomical traits are associated with polyploid plants because they have larger cells and organs and are usually more robust than diploid ones (COSTA et al, 2011;JESUS et al, 2016;MANDAIL et al, 2022). Parameters such as leaf blade thickness, which can be indirectly measured by leaf disc mass, cell size, and stomata size and density (GANGA; CHEZHIYAN, 2002;FOSCHI et al, 2013;TOMÉ et al, 2016), can be used to considerably reduce the number of plants to be analyzed for ploidy determination, facilitating polyploidization research.…”
Section: Introductionmentioning
confidence: 99%