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.

A technology of spring barley growing was described in the article, especially of its new varieties, provision of the brewing industry with high- quality malt through the diversification of planting areas and volumes of growing was explained, and establishment of the brewer’s barley market was described as well. Economical efficacy of the brewer’s and ordinary barley was calculated in order to provide a comparison.

Development of the Variety Research Network under the State System on Right Protection for Plant Varieties during centuries of XX- XXI, was described in the article. On the comprehensive level, main problems and the ways to their solving were determined, a role of the State Service on Right Protection for Plant Varieties in settling of the problem of State food security was demonstrated.

Creation of Initial raw for breeding of winter wheat by change of the development type under low temperatures influence was described. Seeds of spring wheat were vernalized in aluminum weighting bottle. By using low temperatures at sawing of M2-6 at the begin ind of optimal terms of sawing of winter wheat, new winter-hardy variety of Voloshkova was bred.

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 research held in the Central Polissya Zone show that the productivity and quality of the harvest derived from the new species Kamenyar and Irma depend strongly on the optimal setting of the sowing and fertilization norms. The results of the two-year-long research testify high crops of Kamenyar, which yields by its quality to Irma.

Створений новий сорт мусить відповідати критеріям охороноздатності і поширення його в Україні, тобто породжений певним генотипом чи комбінацією генотипів і володіти відмінністю, однорідністю, стабільністю івисокими господарсько-цінними показниками.

Analysis of the existing methods for earliness group determination of maize varieties and hybrids according to the FAO indices was conducted. Influence of the abiotic factors on earliness of 16 standard maize hybrids in all agroclimatic zones of Ukraine at nine State Canters for Plant Variety Examination and State Variety Testing Stations during 1999-2006 was analyzed. On the base of the research results, a new method of earliness group determination for varieties (hybrids) of maize without comparison with the standard hybrids has been developed.

Varietal supply with fodder crops of Ukraine’s market and DUS-test of new varieties of plants in 2006 on their suitability for dissemination were analyzed in the article.