Establishment of Tamarix ramosissima under different conditions of salinity and water availability: Implications for its management as an invasive species
作者： E. Natale , S.M. Zalba , A. Oggero , H. Reinoso
DOI: 10.1016/J.JARIDENV.2010.05.023
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摘要: Abstract The spontaneous spread of Tamarix represents a threat for biodiversity conservation. ramosissima has been identified as an invader arid and semi-arid environments in Argentina. effects salinity water availability on vegetative reproduction germination were evaluated this study order to determine ecological conditions that are appropriate the species, identify areas potential invasion Seeds cuttings grown different concentrations NaCl PEG-6000 under soil saturation conditions. Percentages seed establishment survival measured. tolerance limits reached values −0.4 MPa (PEG-6000) −0.8 MPa (NaCl). Cutting was significantly reduced at above 8.8 g/lt (−0.6 MPa) saturated Any survived drought We concluded soils with EC less than 15 dS/m adequate germination, whereas tolerated below 6 dS/m. Consequently, temperate, zones Argentina risk by T. even though species is not resistant local extreme or prolonged flooding.
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