2011
DOI: 10.5433/1679-0359.2011v32n4p1345
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Atividade da enzima redutase do nitrato e teores de prolina livre em raízes de cana-de-açúcar sob os estresses hídrico e ácido no solo

Abstract: O objetivo deste trabalho foi avaliar indicadores fisiológicos da associação entre deficiência hídrica e acidez do solo, por meio da determinação da atividade da enzima redutase do nitrato, dos teores de prolina livre e do crescimento inicial do sistema radicular de plantas jovens da cultivar IAC91-5155 de cana-de-açúcar. Aos 30 dias, as mudas, originadas da brotação de uma gema, foram transferidas para vasos de plástico de 12 dm 3 contendo Latossolo Vermelho distrófico álico e submetidas à associação de três … Show more

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Cited by 7 publications
(2 citation statements)
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“…NR is mainly responsible for the assimilation of nitrogen by plants, which is an important nutrient for plant development. However, this enzyme activity undergoes negative influence from the soil water availability [34].…”
Section: Discussionmentioning
confidence: 99%
“…NR is mainly responsible for the assimilation of nitrogen by plants, which is an important nutrient for plant development. However, this enzyme activity undergoes negative influence from the soil water availability [34].…”
Section: Discussionmentioning
confidence: 99%
“…Other authors claim that proline metabolism leads to an increase in the quantity of ROSs in mitochondria, via the electron transport chain, which has an impact on the survival and death of cells in different species (Liang et al, 2013). Even though there is abundant literature on proline accumulation in plants under various types of stress (Carlin & Santos, 2009;Rhein et al, 2011;Gimenez et al, 2013;Das & Roychoudhury, 2014), it is not known for sure if this accumulation always occurs (Joseph et al, 2015), thus the constant research on the subject.…”
Section: Introductionmentioning
confidence: 99%