Analysis of oilseeds in Ukraine, including sunflower, soybean, winter and spring rape, mustard, linseed, sesame, spring false flax, safflower. Presented research-based elements of the technology of cultivation. Described seed of oilseeds. Named most promising varieties of these crops. Disclosed their productive and qualitative potential. The above varietal structure of oilseeds in the State Register of plant varieties suitable for dissemination in Ukraine for years. In order to ensure stable population of oil and food, which include oil, and for the implementation of programs related to soil fertility, scientifically grounded recommended area of oilseeds in Ukraine for 2013–2015 years, ha.

The article highlights current problems of cutting lettuce seed production for all its variants. Research background is provided to the composition of material expenditures for growing of every variant in particular. Economical efficiency of seed production in line with varietal certification requirements has been reproved.

The analysis of the structure of State Register of Plant Varieties Suitable for Dissemination in Ukraine is presented. The descriptions of new lupine's varieties important for economic use are given. The state of new varieties introduction in production and ways of improving of the soil fertility with a low humus content and the overcoming of crisis in the forage sphere are shown.

Some examples concerning the meaning of notion "variety" and its role in the increasing of wheat productivity are covered in this article, Some historical aspects of the origin of this term and its use in the select ional work are given. At the example of varieties