Evaluation of new varieties of multi-tiered onion on economically useful grounds

Relevance. Multi-tiered onion (Allium proliferum Schrad.) refers to valuable perennial spicy-aromatic and medical crops and is widely used in various sectors of the economy: coolies and food industry, traditional and folk medicine.Methods. The aim of the research was to study the economically useful characteristics of new zoned varieties of multi-tiered onions. The objects of research were the local population and new zoned author's varieties of multi-tiered onions Uzgorak and Pachastunak selected by the Belarusian State Agricultural Academy. The studies were carried out in the field and laboratory according to generally accepted methods.Results. As a result of the research, the main morphological, morphometric and phenological characteristics, yield and quality of marketable products (green mass) of the local population and new zoned varieties of multi-tiered onions were studied. The multi-tiered onion variety Uzgorak formed a yield of green mass of 180–190 c/ha, Pachastunak – 185–195 c/ha with a dry matter content of 12.4 and 12.9 %, respectively, crude protein – 17.4 and 17.5% upon reaching technological ripeness in 24–27 and 20–25 days. New author's varieties of multi-tiered onions Uzgorak and Pachastunak are included in the State Register of Varieties of Agricultural Plants of the Republic Belarus and are recommended for home gardening.