Fiziol. rast. genet. 2023, vol. 55, no. 6, 506-518, doi:

Biochemical and pysiological features of new zeland spinach (Tetragonia tetragonioides) as a new crop for saline soils

Zolotareva O.K., Topchiy N.M., Fedyuk O.M.

  • M.G. Kholodny Institute of Botany, National Academy of Sciences of Ukraine 2, Tereshchenkivska St., Kyiv, 01004, Ukraine

Salinity is a growing problem causing huge crop losses in many regions of the world, especially in arid and semi-arid regions. The use of salt-tolerant crops, which have the ability to accumulate salt, can be an effective way of introducing saline soils into production. The salt-tolerant Tetragonia tetragonoides, commonly known as New Zealand spinach, is an annual plant belonging to the Aizoaceae family. Unlike most leafy vegetables, T. tetragonioides is tolerant to drought and high temperatures. When grown on saline soils, it has been shown to absorb large amounts of salt, producing a significant amount of dry matter. This species can be easily cultivated in different climatic conditions, can produce several harvests throughout the year (summer and winter), and has a high content of minerals and biologically active substances. In addition to its value as a leafy vegetable for human consumption, this species can be used as animal feed. The advantage of the species is the resistance to diseases and specific pests. T. tetragonioides provides protection against soil erosion due to its excellent soil adhesion. At the same time, its cultivation can make it possible to use more accessible brackish and seawater for sustainable food production in environments where traditional crops are not effective. In this case, the cultivation of these plants can be provided with macro- and micronutrients that are important components of these water sources.

Keywords: Tetragonia tetragonoides, soil salinity, Aizoaceae, facultative C3-CAM-photosynthesis, phytodesalinisation

Fiziol. rast. genet.
2023, vol. 55, no. 6, 506-518

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