2015
DOI: 10.15809/irriga.2015v20n4p705
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RESPOSTAS FISIOLÓGICAS E BIOQUÍMICAS DE PLANTAS DE AROEIRA (Myracrodruon urundeuva Allemão) AO DÉFICIT HÍDRICO E POSTERIOR RECUPERAÇÃO

Abstract: A aroeira (Myracrodruon urundeuva Allemão) vem sendo explorada de forma desordenada, ocasionando redução drástica no número de indivíduos, fazendo com que passasse a fazer parte da lista de espécies ameaçadas de extinção, sendo oportuna a prioridade da conservação. No entanto, pouco se sabe a respeito de aspectos relacionados à sua fisiologia, principalmente acerca dos mecanismos fisiológicos que determinam sua tolerância à seca. O objetivo deste trabalho foi avaliar as trocas gasosas e o acúmulo de solutos or… Show more

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Cited by 15 publications
(15 citation statements)
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“…This was similar to observations recorded for Hancornia speciosa Gomes (Scalon et al, 2015), Myracrodruon urundeuva Allemão (Costa et al, 2015), Khaya ivorensis A. Chev (Albuquerque et al, 2013), Eucalyptus and Acacia spp. (Warren et al, 2011), Tabebuia aurea S. Manso (Oliveria et al, 2011), and Carapa guianensis Fusée-Aublet (Gonçalves et al, 2009) seedlings.…”
Section: Discussionsupporting
confidence: 90%
“…This was similar to observations recorded for Hancornia speciosa Gomes (Scalon et al, 2015), Myracrodruon urundeuva Allemão (Costa et al, 2015), Khaya ivorensis A. Chev (Albuquerque et al, 2013), Eucalyptus and Acacia spp. (Warren et al, 2011), Tabebuia aurea S. Manso (Oliveria et al, 2011), and Carapa guianensis Fusée-Aublet (Gonçalves et al, 2009) seedlings.…”
Section: Discussionsupporting
confidence: 90%
“…However, some species adapted to arid and semiarid climate regions can reach this value without tissue death, which may be the case of M. tenuiflora plants in this research, since after the resumption of the supply of adequately restored their water status. These results agree with those found in the literature, in Handroanthus impetiginosus (Pessoa et al 2017), Myracrodruon urundeuva (Costa et al, 2015), Hevea brasiliensis (Chen et al, 2010), and Quercus pubecens (Gallé et al ., 2007).…”
Section: Discussionsupporting
confidence: 93%
“…These researchers also reported that at 10 days after irrigation suspension, RWC in irrigated and under water deficit plants were 83% and 26%, respectively, resulting in a 69% reduction. In M. urundeuva irrigated plants, Costa et al (2015) observed a variation of 82 to 91%, while in plants under water deficit, the RWC progressively reduced until reaching the value of 70% on the 12th day of evaluation.…”
Section: Discussionmentioning
confidence: 92%
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“…Low soil water availability has been observed to result in metabolic changes in different plant species (Taiz and Zeiger, 2013;Costa et al, 2015;Rosa et al, 2017;Nunes et al, 2017;França et al, 2017), changes in photosynthesis and transpiration, damage to the photosynthetic apparatus leading to decreased growth rate, and protection mechanisms such as increased antioxidant activity in response the reactive oxygen species (ROS). According to the review of Watkins et al (2017), the RODS can be generated by the oxidase enzymes (NADPH oxidase/RBOH), which are induced by hormones, such as ABA.…”
Section: Introductionmentioning
confidence: 99%