Data on the fruits quality of the hybrid peach forms in NBG-NSC is given. Variability, correlation and regression dependence between attributes determining consumption quality of fruits are shown. Forms of peach with high quality of fruits are і dentifled.

Crop capacity and productivity elements of winter wheat domestic sorts have been investigated. Valuable sources on the basis of given characteristics for getting selective material of high quality have been singled out. Correlation relations between crop capacity and productivity elements of winter wheat sorts have been established.

Results of the spring wheat of different ecotype variety samples research by economical and biological feature have been reflected, and more valuable samples, which we have used during the breeding with the aim of new varieties creation, have been selected

Authors of the article attempts to describe a state of the problem and accumulated achievements in the flax industry, which are in conjunction with one of the main agronomic remedies, namely fertilization and its influence on the quality of obtained products.

The study of vernalization requierement of winter bread wheat 87 modem varieties from Ukraine and Russia showed significant domination - 81.6% - of varieties with short vernalization requierement (30-40 days). Vernalization requierement differences among varieties from different climatic zones were revealed.

It has been found that post registration variety studying facilitates deeper and overall research of the morphological, agricultural, and biological characteristics and properties of the varieties, as well as it allows to generate national variety resources, based on the selection of complementary varieties for narrow zones and regions. Influence of the agricultural technologies on productivity of different winter wheat types has been studied. Expediency of the post-testing variety studying on two levels of agricultural backgrounds, optimization of the research program, of the research plot areas, diversification of the protective measures against diseases, have been explained.

Results of the spring wheat of different ecotype variety samples research by economical and biological feature have been reflected, and more valuable samples, which we have used during the breeding with the aim of new varieties creation, have been selected

In the collection initial material of china squash we found the variety from China Zoria Schodu (Star of Orient) with short length of stem. It is the new genetical donor for the breeding «bush» varieties. Inheritance length of stem in china squash is dominant.

The article presents agronomic and biological characteristics of new winter wheat cultivar Myrlyena. Pedigrees of its components of crossing are given.

In the Forest Steppe Zone of Ukraine studied 6 sorts and 3 hybrids of sweet com. According with results of research work the author came to the conclusion that sorts and hybrids distinguished some economic- important characteristics.