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Screening frost-tolerant kale (Brassica oleracea L. var. acephala) genotypes through cold-responsive metabolic changes in open field conditions.

Journal of plant physiology - 1 Feb 2026

Sinkovič Lovro, Pipan Barbara, Neji Mohamed, Ben Ammar Hajer, Meglič Vladimir, Veberič Robert, Slatnar Ana, Jakopič Jerneja

Abstract excerpt

Kale (Brassica oleracea L. var. acephala) is a cold-tolerant leafy vegetable whose metabolic plasticity under frost stress remains underexplored. In this study, leaf tissues from 26 kale accessions grown under open-field conditions were metabolically profiled, focusing on soluble sugars, glucosinolates, and photosynthetic pigments before and after exposure to short-term frost. Frost stress induced significant...

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PMID: 41544577
DOI: 10.1016/j.jplph.2026.154695

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