The article highlights dependence of qualitative characteristics of tomato on plant density and irrigation. Optimal density of plants is determined for generating maximum of tomato yield.

Methodology for detecting correspondence of soft wheat to the criteria of distinctness, uniformity and stability based on researching peculiarities of morphological characteristics expression, has been scrutinized. It is established that, in the complex of many of those characteristics characterizing variety phenotype, for its identification only those characteristics are used that are exposed to lesser degree to the influence of environmental conditions.

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Assessment is made for heat-resistance of 10 promising domestic and foreign apple varieties, as well as for their drought- resistance (leaf tissue water content, water holding capacity and turgorescence); also, impact of weather conditions on implementation of its drought and heat resistance by the research subject is determined. The article highlights the best in Ukraine’s Forest-Steppe environment by the above economical and biological properties apple varieties.

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.

Dynamics of technological and sowing indexes of grain of wheat winter-annual kinds of Natsionalna, Stolichna, Artemis in the course of long-term storage is studied. It is positioned that the best sowing indexes throughout all shelf-life the kind of Stolichna, and technological had a kind of Natsionalna. The optimum shelf-life of grain of investigated kinds has compounded six months.

Capitalistic relations were contributing to origination of research breeding during the second half of ХІХ Century. Breeding and seed companied were starting to emerge in Europe in the middle of ХІХ Century. Most famous among them were Velmoren, Depre, Turner (France), Rabbetge and Gizeke (Kleinvantsleben), Dippe und Shriber (Germany) and other.