The article reflects economical value of a valuable food crop, field pea used chiefly as a vegetable (Pisum sativum L partim), its origin and distribution both in the worldwide scale and in our country, establishment of its varietal resources. Exhausting description is provided to new varieties of pea used chiefly as a vegetable, which have been listed in the State Register of Varieties Suitable for Dissemination in Ukraine in 20010-2011 for the harvest in 2012, and for which official description is available.

The varieties and forms of nectarine resistant to fungi diseases (Clasterosporium carpophilum (Lev.) Aderh., Taphrina deformans Tul., Sphaerotheca pannosa (Wallr.) Fr. Lev. var. persicae Woronich) having the practical interest for modern technology growing and for breeding on these characteristics have been selected.

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.

Varietal resources make one of the key national priorities. They pose themselves an outcome of intellectual effort by considerable society part - geneticists, breeders, physiologist, biochemists and biophysicists, immunologists and mathematicians, economists, ecologists and variety examiners.

The article features results of studying F1 hybrids of tomato inheriting productivity factors. 21 original hybrid forms and 57 F1 tomato hybrids in green-house have been studied. The efficiency of selecting genotype of valuable plants by genotype is substantiated.

The article highlights economical value of sorghum vulgaris, accession to the market of varietal sources. It provides description of productivity and new varieties of sorghum vulgaris bicolor listed in the State Register of Varieties Suitable for Dissemination in Ukraine.

The high content of phenolic compounds (quercetin-3-O-glycoside, izoramnetine-3-O-glycoside, 4'-metoxykempferol-3-O-glycoside, 4'-metoxyqvercetine-3-0-glycoside, apigenine and luteoline) in flowers of Prunus cerasifera Ehrh. in comparison with Prunus armeniaca L. has been shown. That can be the reason weak susceptibility of generative organs of cherry-plum to Sclerotinia (Monilinia) laxa (Aderh et Ruhl.) Honey.

Вивчено зміни здатності до проростання і схожості насіння жита озимого сортів Інтенсивне 95, Інтенсивне 99 та Сіверське під час зберігання за умов охолодження. Встановлено, що господарську та технологічну довговічність зерно жита зберігає протягом 1–2 років, а біологічну – 5 років. Найвищі показники здатності до проростання і схожості за всіх станів зерна визначено у сорту жита озимого Сіверське, а найнижчі – Інтенсивне 99.

In the article, on the example of different sorts and hybrids of sorgo, efficiency of the use of mineral feed is considered in technology of his growing which positively influences on the size of puff surface and it fotosintetichnu activity, promoting the productivity of plants here.

The short description of varieties of white cabbage, the comparative analysis of the yield of cabbage and density of the cobs.