Sideritis hyssopifolia L., a perennial plant, is also known as hyssop-leaved mountain ironwort. In its area of origin in north-western Europe, it is valued as an aromatic and medicinal plant and is used in the prevention and treatment of digestive ailments. It has been studied at Plant Genetic Resources Bank Buzau – Romania since 2019, being the subject of intensive acclimatisation and improvement works with the purpose of obtaining new creations with distinct genotypic and biochemical characteristics. The genetic material used was from the centres of origin (Spain, Portugal, Madeira and Canary Islands), and the breeding methods were repeatedly selected individually, followed by negative mass selection. Cultivar G5, which is superior in terms of acclimation and genetic stability, also exhibited distinct phenotypic expressivity. At the same time, specific cultural technology was developed with the aim of promoting it among farmers (see page 181).
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