Розглянуто питання створення гібридів сорго цукрового на стерильній основі з використанням ліній сорго Дн–5с, Дн–37с, Дн–23с, Дн–39с, Дн–31с, А–326. Висвітлено створення гібриду Довіста, його потенціал та апробаційні ознаки. Виділені сортозразки з високим вмістом цукрів.

The article offers short characteristic of Fj hybrid combinations and reveals type of inheritance by the folwiing characteristics: plant height, height of lower bean insertion, quantity of seeds per plant, quantity of seeds per plant, beans per plant, nodes and branches per plant, as well as determines proportion of dominations displaying high heterosis effect. Two superior hybrid populations, namely Amethyst/Miao-ian-Dou and Amethyst/Krasa Podillia, have been selected and are being used to scan for transgressive forms.

The article highlights issues in establishing and maintaining variety collections that display example characteristics of Sorghum Bicolor. It also displays topicality and value of those varieties. Varietal composition of common knowledge (30 items) variety collection of Sorghum bicolor has been scrutinized, which served as a baseline for establishing collection of varieties exhibiting example characteristics (16 items).

The results of studying of walnuts collection have been given; the evaluation of the assortment according to resistance to unfavorable climatic conditions has been done; some varieties have been recommended for using in breeding and introduction in industry.

Висвітлено життя і діяльність українського вченого Володимира Симиренка

The article provides results of efficiency of double screening by quantity of normally developed germs affected of unfavorable abiotic factors, namely decreased temperatures of seeds sprouting and embryogenesis at extremes (heat, shortage of water).

The article details economical value, directions of use for valuable legume crop, pea for grain production purposes, growth rates of its production during recent years worldwide and in our country, development of its varietal resources in Ukraine. A complete characterization has been provided for new pea varieties meant for grain production listed in the State Register of Varieties Suitable for Dissemination in Ukraine in 2012, for which descriptions are available.

Analyzed has been conducted on parameters of productivity and efficiency increase for Helios and Comandor varieties of spring barley (Hordeum vulgare L.) on fertilized NPK background after soya as a forecrop.

Scope of protection of plant variety rights granted to variety owner as provided for by Ukrainian legislation is established. Thus, basis is created to enable comparative analyzes of the national system of plant variety protection with analogous sys-terns existing in other countries, in particular, the protection available with utility patent.