2003
DOI: 10.1590/s0102-33062003000200006
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Abstract: RESUMO -(Comportamento estomático e potencial da água da folha em três espécies lenhosas cultivadas sob estresse hídrico). Com o objetivo de avaliar o comportamento estomático e o potencial da água da folha em plantas jovens de Mimosa caesalpiniifolia, Enterolobium contortisiliquum e Tabebuia aurea submetidas a estresse hídrico, desenvolveu-se um experimento em casa de vegetação no Laboratório de Fisiologia Vegetal da UFRPE. As plântulas foram submetidas a dois tratamentos hídricos (100% da CP e 50% da CP) e a… Show more

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Cited by 31 publications
(24 citation statements)
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“…The water loss by transpiration in the higher evaporative demand hour may cause reductions on the leaf water potential and the reductions are apparent even in plants grown under good water conditions, since the leaf water potential results in the interaction of the atmospheric evaporative demand with the soil water potential (Silva et al, 2003). Thus, the roots absorb less water than it looses to the atmosphere, because the water is passively moved throughout the roots in response to water potential gradient created by transpiration (Steudle and Peterson, 1998).…”
Section: Discussionmentioning
confidence: 99%
“…The water loss by transpiration in the higher evaporative demand hour may cause reductions on the leaf water potential and the reductions are apparent even in plants grown under good water conditions, since the leaf water potential results in the interaction of the atmospheric evaporative demand with the soil water potential (Silva et al, 2003). Thus, the roots absorb less water than it looses to the atmosphere, because the water is passively moved throughout the roots in response to water potential gradient created by transpiration (Steudle and Peterson, 1998).…”
Section: Discussionmentioning
confidence: 99%
“…The reduction in photosynthetic rate associated with stomatal closure due to changes in leaf water status is commonly observed in plants grown under water deficit conditions (Chartzoulakis et al, 1999;Nogueira et al, 2001;Silva et al, 2003). As water availability in the soil decreases, the transpiration rate also decreases as a result of stomatal closure.…”
Section: Introductionmentioning
confidence: 99%
“…air temperature (Silva et al, 2003), light and vapor pressure deficit (Gucci et al, 1996;Thomas and Eamus, 2002;Gomes et al, 2004). Environmental stress can result in both, physiological and anatomical changes in the leaf (Mott and Michaelson, 1991).…”
Section: Introductionmentioning
confidence: 99%
“…In Malpighia emarginata DC, known locally as "acerola", w of -4.3 MPa was found in plants propagated by seeds after five days of withholding water and -4.5 MPa was found in grafted plants after 20 days of withholding water [28]. Silva et al (2003) [29] found a reduction in w from -0.34 MPa to -0.87 MPa in Mimosa caesalpiniifolia grown with 50% FC. Several other species with anisohydric behavior experience a reduction in water potential under conditions of water stress, such as soybean, sunflower and wheat [30].…”
Section: Discussionmentioning
confidence: 97%