The article discusses the results of a comprehensive study of the biological and adaptive potential of the leek (Allium porrum L.) gene pool, including the features of morphological, physiological and biochemical characteristics of plants (and varieties) under optimal and unfavorable conditions of vegetation and autumn-winter storage and identifying sources of high productivity, adaptability and quality for use in breeding and vegetable growing. 140 varieties of leek were studied, representing the world diversity of this crop (VIR collection). The experiments on the effect of hydrothermal stress on growth activity, as well as physiological characteristics, made it possible to identify high-quality sources during harvesting and storage, as well as varieties with increased keeping quality.
onion collection, varieties, degree of adaptability, quality during harvesting and storage, keeping quality, hydrothermal stress
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