ArticleFrontiers in plant science2025
Cold tolerance of native plants in the Lancang River dry-hot valley: an integrative physiological-biochemical assessment with implications for cold-resistance breeding.
Article in Frontiers in plant science, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Introduction: Extreme winter cold in the Lancang River dry-hot valley limits vegetation establishment. Selecting cold-tolerant native species is therefore critical for ecological restoration and for maintaining stable agro-vegetation. This study aimed to assess cold tolerance in representative native shrubs and herbs using an integrated physiological and biochemical approach. Methods: Seedlings of three shrubs ( Results: Semilethal temperature (LT50) differed markedly among species (approximately -27°C in Discussion: The discrepancy between the multi-trait index and single-trait (LT50) ranking highlights the risk of inferring cold tolerance from one metric. Acute stress responses (membrane stability, photosynthesis) and long-term freezing thresholds capture complementary aspects of cold tolerance. The derived physiological thresholds and the multi-indicator framework provide practical guidance for selecting and breeding native species for ecological restoration and cold-resilient agriculture in dry-hot valleys.
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