MODERN PRINCIPLES OF GARDEN BEAN VARIETIES MODELING IN SIBERIA

The development of a variety model suitable for specific soil and climatic conditions is currently an urgent matter in the plants selection. The combination of valuable genotypes of a plant, which is based on hybridization, free pollination, mutagenesis, allows researchers to derive new perspective samples. The selection of the variety model parameters enables the researchers to create cultivated plant varieties that have appropriate characteristics of a particular cultivation zone on an efficient basis. But it is necessary to understand that the model is hypothetical even in case of conducting detailed study of parameters of a new variety based on concrete results of research. First of all, the crop breeder is guided by the imaginary model, which is based on the evaluation of the breeding material and the selection of the variety sample prototype, taking into account the features and properties of the ideal variety model. To a certain extent, the methods of crop breeding and genetic analysis applied in order to assess the breeding value of hybrid combinations are designed to level the inevitable subjectivity noted. When compiling the model of the ideal variety the breeder uses the data on soil and climate conditions of a particular region, the main economic and valuable features of a crop, the results of other researchers and applies intuitive and empirical criteria for evaluating the breeding material. Since 1997 the Chair of Breeding, Genetics and Forestry explored more than 150 breeding samples of different ecological-geographical origin, obtained on the basis of intervarietal hybridization. The samples were studied according to the main economic and valuable features: growing season, growth character, presence of parchment layer and fibers in the seam. Variability of the mentioned features has been estimated by means of correlation links and character of inheritance of separate features.

garden bean, variety, modelling, variety model, the parameters of the model, selection, crop yield, western Siberia

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