On the base of meteorological data in different places of the varieties and combined interspecific hybrids testing, on the base of pathogen properties of the place of testing, conclusion was made regarding expediency of the test on phyto-resistance for potato forms under Carpathian conditions.

The main principles of the forming of the scientifically based variety policy of Ukraine are described. A great role during the creating of varieties and hybrids with certain quantitative and qualitative characteristics belongs to the producers of the cereal and seed production, enterprises of the processing industry, firms, which supply their varieties to the world market.

Open seeds - difficult (complex) biological system. The same plants gives seeds with different morphological indication (form, size, dyeing, weight 1000 seeds), anatomical and physiological properties. The physiological properties are correlation, state of quiet, influence on the anatomy construction and chemical composition of seeds lettuce Lactuca sativa L.

МС component and Ukrainian hybrid МС 70 pericarps embossing have considerably increased crop capacity, seeds quality (germinating capacity, 1000 fruits mass, beet seed material balance.

It’s been shown the ways user impotent nucleotide plant of soybean, agriculture growing in the world last years. Revealed main point of formation nationality plant varieties resource of soybean.

Under investigation inflluence period of sowing and presowing processing on productionity seeds of dill.

Essence of ultra early-rape harvest generation of melon's fruitage in conditions of the South of Ukraine by selection of new varieties and hybrids (Cucumis melo L.) is explained. Influence of terms of the melon picking-off to the open ground on the fruitage generating, and on their quality.

The Article states forth the ways of post-war reproduction establishment and development, reorganization and activity of the Plant Variety Examination network almost during 80 years of its existence

Organizing measures in the scope of Ukraine are given, that provide the procedure of the state registration and their rights for fruit, berry, nuciferous species and vine. The expediency of the state registration of fruit and berry crops is grounded as a whole in Ukraine on the basis of the experience of the leading world’s countries. Powers of the State Service on Right Protection for Plant Varieties, Ukrainian Institute of Pant Variety Examination and Applicant were determined in the procedure of the registration of plant varieties and their rights for fruit, berry, nuciferous crops and vine.

The genealogy of the separate sorts of mild winter of International Breeding Research Laboratory V. N. Remeslo Mironovka Institute of Wheat were analyzed. And sources of forming the sings, providing their high adaptability, were also found . it is shown that the main role in sort productivity, their stabilityto sickness and to unfavourable factors of environment played a starting material of west-european ecotype.