Journal
AGRONOMY-BASEL
Volume 11, Issue 3, Pages -Publisher
MDPI
DOI: 10.3390/agronomy11030413
Keywords
halophytes; ornamental; recretohalophytes; osmolytes; antioxidants
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Limonium genus, with its diverse halophyte species, has great potential for cultivation as minor crops, ornamental plants, medicinal purposes, gourmet food, and soil decontamination. The genetic variation and stress tolerance in wild species within this genus provide promising prospects for specific breeding programs. Moreover, Limonium species serve as attractive models for basic research on stress tolerance mechanisms, particularly regarding salinity.
Limonium is one of the most interesting and biodiverse genera of halophytes, with many species adapted to saline environments. Limonium species have a promising potential as cultivated minor crops as many have ornamental value, or are already used as medicinal plants. Other species are marketed as gourmet food or can be used for decontamination of polluted soils. Design and implementation of specific breeding programmes are needed to fully realise this potential, based on the vast genetic variation and high stress tolerance of wild species within the genus. Most Limonium species are halophytes, but many are also resistant to drought, especially those from the Mediterranean and other arid regions. Such species constitute attractive models for basic research on the mechanisms of stress tolerance, both constitutive and induced. As typical recretohalopyhtes, with excretive salt glands, Limonium species possess remarkable morpho-anatomical traits. Salt tolerance in this genus relies also on ion accumulation in the leaves, the concomitant use of diverse osmolytes for osmotic adjustment, and the activation of efficient antioxidant systems.
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