Outcomes of reciprocal crossings new Rye donor of super-short stem with electroidness Hl-3Hl-3elel and tall Rye Variety Viatka 2 are provided. The firs generation hybrids appeared to have a short stem with regular leaf blade. In the second generation the female parent effect of short stem domination was established, as well as complete domination of tall bushiness, long-spiked plants, increased number or grains in the ear. Weight of 100 grains in the ear made 22,79 і 29, 41% of the heterosis relative to the best parent. According to the results of the research of genetic and statistical parameters of F2 breeding characteristics plants with electoid leaf blade shape were selected.

The author presents the characteristies of the best stone fruit crops cultivars of the Donets’k breeding which are high adapted to the climatic conditions of the Donbass and Ukrasne’s northern regions and have marketable fruits.

As a result of the lead long-term selection works wint involving a World' s collection and intertype and intertype hybridization with purposeful selection on economic-biological attributes highly productive • grades of a winter wheat, with stability to various kinds of illnesses and high technological qualities of grain have been allocated. The adapted grades of a winter wheat for a various environment of various zones of the countries of the Central Asia that allows to realize potential opportunities of grades in different environments of cultivation and by that to prevent losses of a crop from biotic and abiotic stresses that allows to stabilize productivity and adaptability of culture in a zon winter husbandry are created. The long-term field experiences lead by us and laboratory analyses on a level of productivity, qualities of grain and stability to stresses allows to conclude, that alongside with a genotype, stabilityenvironmental conditions render strong and significant influence on all complex of selection attributes.

When studying period of maturation after harvest, varietal specificity of level of winter wheat seed maturation process reaction on hydrothermical factors has been revealed. This trait should been taken into consideration when deciding practical problems in respect to rational variety-regionizing as well as to development of seed technology based on biological peculiarities.

The chemical composition and the links between different groups of substances (content of dry substances, monosaccharides, saccharose, sum of sugars, titratable acids, proanthocyanidins, anthocyanidins, water soluble pectine, protopectin, sum of pectines and sugar-acid index) have been studied in hybrids fruits of Persica vulgaris Mill, subsp. erytrocarpa Zajats and Persica vulgaris Mill, subsp. atropurpurea (Schneid.) Zajats. The obtained data were compared with the characteristics typical for fruits of P. vulgaris Mill, subsp. nectarina (Ait.) Shof. and P. vulgaris Mill. Brief information about the biology of obtained distant hybrids forms have been given. The content of anthocyanine pigments (Cy-3-Glu, Cy-3- Ara, Cy-3-(6-Kum)- Glu) in fruits and leaves of different taxons for genus Persica Mill, has been analysed.

The study results for many years (1972- 2006) of pear gene pool in the All- Russian Research Institute of Horticultural Breeding are given. The cultivars and selections have been singled out for wide dissemination and use in breeding.

Results of four-years assessment of approximately 90 winter wheat varieties at post- registration research on the background of crops chemical protection and in its absence at Biloczerkivska DSDS (forest- steppe zone) and Borodianska DSDS (subforest zone) are represented in this article. Methods of their immunological assessment and determination of potential productivity have been developed too. Authors are recommending to conduct immunological assessment of varieties on their natural background of diseases development and assess potential productivity in conditions of plants chemical protection as this is the element of crop growing technology.

The study of impact of complex application of biological compositions based on fixing nitrogen by microorganisms and plant lectin and nitric fertilizers on productivity and quality of grain of winter wheat on the dark-grey soil in the field terms was conducted. It is shown, that presowing treatment of seed by biological compositions stimulated forming of greater productivity with the best quality.

The author presents the results of studying of black currant 9 varieties resistance against pathogenic fungi. The most resistant varieties against Sphaerotheka mors-uvae Berk, et Curt are Yarynka, Leleka and Pamyaty Leonyda Mycha- levskogo; against Septoria ribis Desm - Leleka and Govtva; against Cronartium ribicola Dietr - Yarynka, Dochka Vorskly and Govtva.

It is presented the description of garden pea new varieties which are included into the State Register of plant varieties, which are suitable for the dissemination in Ukraine in 2008 year, morphological features of the crop and its value, either food or dietetic plant.