2012
DOI: 10.1590/s1677-04202012000300008
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Ecophysiological responses to drought and salinity in the cosmopolitan invader Nicotiana glauca

Abstract: Nicotiana glauca, a shrub native to southern South America, is widely distributed in the Americas, from Patagonia to the USA, from zero up to 3,700 m; it rapidly invades disturbed environments. In Venezuela, it has been reported from zero up to 2,000 m growing in contrasting conditions of relative humidity, temperature, rainfall, and salinity. In order to gain insight into the extent and mode of resistance to drought and salinity in N. glauca, we studied the effect of these factors on water relations and photo… Show more

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Cited by 17 publications
(14 citation statements)
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“…The RWC maintenance associated with gs reduction and osmotic adjustment was reported for Nicotiana glauca (Gonzáles et al, 2012). The high values of RWC exhibited in plants with low irrigation volumes here could also be due to the osmotic adjustment, which has been reported for lettuce (Lucini et al, 2015).…”
Section: Physiological Traitssupporting
confidence: 78%
“…The RWC maintenance associated with gs reduction and osmotic adjustment was reported for Nicotiana glauca (Gonzáles et al, 2012). The high values of RWC exhibited in plants with low irrigation volumes here could also be due to the osmotic adjustment, which has been reported for lettuce (Lucini et al, 2015).…”
Section: Physiological Traitssupporting
confidence: 78%
“…Tree tobacco ( Nicotiana glauca ) is a wild tobacco species, not only endemic to South America but also widespread as an introduced, invasive species in other continents, that exhibits partial drought and salinity tolerance under high irradiance [1]. N. glauca grows in arid environments [1], usually not suitable for food crops, and has vast potential as a biofuel stock due to an exceptionally high content of hydrocarbons [2]. In addition, N. glauca has been discussed for medicinal purposes due to its rich content in metabolites such as scopoletin [3].…”
Section: Introductionmentioning
confidence: 99%
“…Osmotic adjustment is a mechanism which some plants employ to reduce osmotic potential (ψ s ) and increase turgor potential against water deficit conditions, including salinity (Munns and Tester, 2008). Osmotic adjustment has been shown to occur under salinity in many glycophytes, such as Nicotiana glauca, which are not usually subjected to saline soils (González et al, 2012).…”
Section: Introductionmentioning
confidence: 99%