It has been supposed to carry out bred-making valuation of wheat under native condition of protein substances and contents of the dough improvers (КВrO3, С6Н8О6) being practiced. It will allow both at present and in the future to carry out comparative valuation by this index between varieties of various breeding progenies.

Variations in bread volume output in accordance with external temperature factor which balancing increases obtained information reliability are considered.

Based on study of 42 collection entries, results of creating winter wheat initial material of high grain quality value and its relationship with agronomic traits are presented.

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.

The question of a substantiation of the registration area of an allotment under vegetable cultures is considered(examined) depending on biological features of plants, area of their feed(meal) and in connection with lack of a labour of the agricultural enterprises with the purpose of reception of a high commodity crop both more objective estimation of grades and hybrids for entering in the State register.

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

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.

The sorts different by economic-biologic character of unshed seed, breeded in Ukraine and abroad obtained wide spreading in production. Expediency using lugansky or samarsky type of determinant stability to healthy growth. Breeding sorts with tendril type of leaf give the positive results in increase stability of the plants to damping-off. The sorts combining named recessive character with another aconomic-value traits of grain pea made and suggested to production.

The influence of different conditions of conservation to sprout and germinating power of seed varieties of wheat under conditions of conservation are expounded in the article.

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