Salinity tolerance of the tree legumes: mesquite (Prosopis glandulosa var. torreyana, Prosopis velutina and Prosopis articulata) algarrobo (Prosopis chilensis), kiawe (Prosopis pallida) and tamarugo (Prosopis tamarugo) grown in sand culture on nitrogen-free media

Sand culture pot experiments were carried out with Proposis seedlings in the greenhouse on a nitrogen free nutrient solution with increasing levels of sodium chloride. All species tolerated a 6,000 mg/l salinity with no reduction in growth. P. velutina was the only species that poorly tolerated the...

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Bibliographic Details
Published in:Plant and soil 1981-01, Vol.61 (3), p.311-317
Main Authors: Felker, P, Clark, P.R, Laag, A.E, Pratt, P.F
Format: Article
Language:English
Subjects:
Deserts
Legumes
Nitrogen fixation
Nutrient solutions
plant biochemistry
plant physiology
Plants
Salinity
Saltwater
Sea water
Seedlings
Soil salinity
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Summary:Sand culture pot experiments were carried out with Proposis seedlings in the greenhouse on a nitrogen free nutrient solution with increasing levels of sodium chloride. All species tolerated a 6,000 mg/l salinity with no reduction in growth. P. velutina was the only species that poorly tolerated the 12,000 mg/l salinity level. P. articulata, P. pallida, and P. tamarugo tolerated 18,000 mg/l NaCl with little reduction in growth and grew slightly in a salinity (36,000 mg/l NaCl) greater than seawater. This is the first legume known to grow in salinities equivalent to seawater.
ISSN:0032-079X
1573-5036
DOI:10.1007/BF02182012