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GROWTH AND MINERAL COMPOSITION OF TWO LINEAGES OF THE SEA ASPARAGUS SARCOCORNIA AMBIGUA IRRIGATED WITH SHRIMP FARM SALINE EFFLUENT
Published online by Cambridge University Press: 09 March 2017
Summary
The sea asparagus Sarcocornia ambigua is a widespread coastal halophyte of South America that has a recent history of successful cultivation with saline shrimp farm effluent and nutritional quality for human and animal diets, as well as chemical characteristics for biofuel production. Two morphologically distinct lineages (BTH1 and BTH2) of S. ambigua were obtained by crossing pure lineages of natural biotypes. The growth and biomass production of f3 and f4 progenies of S. ambigua lineages were evaluated, as well as their macro- and micro-mineral components were investigated by spectrophotometry. The BTH2 lineage showed a 43% higher shoot growth rate, a two times faster branch production and a higher biomass allocation to shoots than in BTH1. BTH1 shoots showed higher concentrations of N, K and Cu than did the BTH2 progenies. The average levels of N, K, P and Ca in BTH1-f4 shoots were higher than those in wild plants of S. ambigua and ranked in the mid-upper range of these mineral contents in other species of the subfamily Salicorniodeae and gourmet vegetables. The mineral profile of the two selected lineages of S. ambigua confirms high nutritional quality of these plants for humans and animals. They can be presented as alternatives to food production with saline effluent from aquaculture on the temperate and tropical coast and/or inland salt-affected soils of South America.
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- Copyright © Cambridge University Press 2017
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