Varieties and breeding specimens of the non-traditional forage crop, medicinal hyssop (Hyssopus officinalis L.), were studied in a collection nursery. All observations related to measurement or counting were carried out on 30 plants or parts taken from each of 30 plants according to the methodology of distinctiveness, uniformity and stability tests. As a result of the research, the samples that possess a complex of useful traits were selected: long flowering (56–62 days.), bush height — 50–67 cm, dense structure of bushes, have 60–67 % obliquity; dry matter yield 3.5–4.4 kg/m2, seed yield — 30.1–45.4 g/m2; drought resistance and winter hardiness at the level of 5 points. The best selection numbers can be used as source material for breeding.
source material, breeding traits, selection, dry matter yield, seed yield, drought tolerance, winter hardiness
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