Kabanets' V. M., Straholis I. M., Klitsenko A. V.
Pages: 141-146.

Full article: 

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Abstract

The purpose. To find ways of creation of the leveled variety on the complex of biological and economic attributes with the lowered factor of ratio of vegetative and generative masses of plants. Methods. Field, laboratory, mathematical-statistical. Results. It is determined that determinant attribute is monitored by several recessive genes which determine extent of reduction of units in generative zone of shoot, creating preconditions for restricted growth of plants. Features and deficiencies of modern varieties of buckwheat of determinant and inter-determinant (ordinary) morphotypes are specified. Advantages of plants of compact habit and scheme of conducting selection process are proved. Necessity of application for selection of indirect attributes which most of all correlate with productivity is specified. Selection work in both directions of creation of varieties of determinant and ordinary morphotypes is carried out. Polymorphy of populations in equal conditions is probed, and also ways of development of existing assessment of initial stock for creation adaptive on a complex of attributes varieties of buckwheat are found. Conclusions. For today selection work should be directed on the fitting buckwheat to conditions of intense production. Selection work in directions of creation of varieties of determinant and ordinary morphotypes demands revision and search of ways of development of existing assessment of initial stock that will enable to study more widely polymorphy of population.

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Key words: buckwheat, variety, morphotype, determinant, inter-determinant.

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