Scientific approaches to formation of national variety sources of spring and winter barley by State Registration of new varieties and their right protection.

In the article the results of research of sowing properties - emergence rate and laboratory germinating capacity seeds summer rape are resulted depending on variants of fertilizers and terms of harvesting.

Questions of winter wheat cultivation in rice crop rotations, which further to make the most efficient use of soil, increase of fertility and receive an additional yield per unit of crop area are studied in the article. The results of ecological variety test of winter wheat in rice check conditions have represented. The varieties with the best adaptive properties, yield and high qualitative indices of grain are park out. The conclusions about expediency of burther study improvements guestions of winter wheat ecological variety test are made with the purpose of selection varieties the most adapted to specific rice checks contions.

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

The expediency of winter wheat varieties examination in the state variety examination is proved at two levels of agricultural backgrounds: at high level - in the presence of intensive agro technologies and at low level, which is typical for majority of producers. Conclusions have been made under the expediency of improvement and making changes to the Guidelines on evaluation of varieties resistance to diseases and crop tillage with a help of retardants.

Modern state of DNA-markers introduction in world plant breeding practice was analyzed. Results of South plant biotechnology center research activity (Odessa), directed on DNA-technologies development for differentiation, identification and registration of important agricultural crops were given.

Under contemporary weather conditions complex method for winter wheat selective material hardiness evaluation and accelerated of evaluation of drought- resistance, were offered.

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.

Розглядаються питання зміни хімічного складу люцерно- злакових травосумішок залежно від способу сівби, видового складу й удобрення.

То argue and the paper presents of fundamental positions method for test new varieties millet of distinctness, uniformity and stability to development by results of Institute of Agriculture of UAAS.