2011
DOI: 10.1590/s0100-67622011000400005
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Análise do crescimento de mudas de jatobá (Hymenaea courbaril L.) em diferentes níveis de água no solo

Abstract: RESUMO -O objetivo deste trabalho foi analisar o crescimento de mudas de jatobá (Hymenaea courbaril L.) sob déficit hídrico. As plantas foram cultivadas em vasos contendo 8 kg de solo oriundo do local de coleta das sementes. Foram utilizados blocos casualizados como delineamento experimental, com quatro tratamentos hídricos (100%, 75%, 50% e 25% da capacidade de pote) e seis repetições. Semanalmente foram avaliados a altura das plantas, o número de folhas e o diâmetro do caule. No final do período experimental… Show more

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Cited by 48 publications
(55 citation statements)
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“…This may be due to reduced leaf area and consequently a drop in the plant's assimilation of carbon to produce biomass. Similar results were obtained by Nascimento et al (2011) studying the jatoba (Hymenaea courbaril L.), who showed that dry weight production was the characteristic most sensitive to water deficit. …”
Section: Discussionsupporting
confidence: 85%
See 1 more Smart Citation
“…This may be due to reduced leaf area and consequently a drop in the plant's assimilation of carbon to produce biomass. Similar results were obtained by Nascimento et al (2011) studying the jatoba (Hymenaea courbaril L.), who showed that dry weight production was the characteristic most sensitive to water deficit. …”
Section: Discussionsupporting
confidence: 85%
“…For hybrids 2, 3 and 4 that remained relatively unchanged in terms of R/S as the moisture level dropped could be linked to the equilibrium in growth between the root and shoot of these plants, since there was no need to invest specifically in root growth (Nascimento et al, 2011). The root growth is considered a constitutive rather than a stress-induced characteristic (Chaves et al, 2003;Blum, 2011) which is simply inherited and can have a decisive effect on the performance and productivity of plants under drought conditions, mainly because it prevents dehydration (Blum, 2011).…”
mentioning
confidence: 99%
“…Quando comparado os tamanhos dos recipientes, a partir dos 100 DAE, a AF foi maior para o tubete grande, corroborando com os resultados de Antoniazzi et al (2013) Nascimento et al (2011), a AF apresenta função importante na determinação da quantidade de luz que a muda intercepta, na fixação de carbono e na perda de água. Assim, a interceptação da luz, a fotossíntese e as trocas gasosas são diretamente relacionadas com a AF (LARCHER, 2006).…”
Section: Resultsunclassified
“…Entre as espécies florestais nativas do Brasil, o jatobá (Hymenaea courbaril L.) tem despertado o interesse de pesquisadores, por apresentar ampla distribuição geográfica (Piauí até o Norte do Paraná) e ocorrer em ecossistemas onde a maioria dos vegetais não consegue se desenvolver satisfatoriamente (MATHEUS et al, 2011;NASCIMENTO et al, 2011).…”
Section: Estudos Realizados Pela Food and Agricultureunclassified