Shevel' L. O., Trohymchuk A. I.
Pages: 26-31.

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Abstract

The purpose. To study and allocate grades of Callistephus chinensis with high economic valuable attributes and to generate attribute collection of the culture. Methods. Field (fixation of period of flowering, diameter of inflorescence, height of a plant, its stability against fusarial wilt, etc.); laboratory-field (weigh of seeds by means of laboratory weights, determination of color of raceme according to RHS-scale of colors); comparative; generalizations; statistical with application of dispersive analysis. Results. The economic assessment is made of genofund of Callistephus chinensis, and attribute collection is formed. Grades of selection of Institute of gardening of NAAS with high economic valuable attributes are allocated and registered in 2016 in National center of genetic resources of plants of Ukraine (NCGRPU) (Kharkiv): Shokoladka, Oksamyt, Rubinovi zirky (standard), Kazka in collection by the basic attribute — «red color of raceme». Conclusions. Productive adding into genetic fund of plants of IG of NAAS of Callistephus chinensis made it possible to determine its varieties which are the sources of decorative effect, and to register the collection created by the basic attribute — «red color». On the complex of economic valuable attributes some varieties of selection of the institute were allocated: Shokoladka, Barkhat, Rubinovi zirky (standard), Kazka. Their plants were characterized by high decorative effect (9 points), diameter of inflorescence (10 – 13 cm), parameters of weight of 1000 pieces of seeds (up to 3,3 g/bush) and stability against disease-producing factor Fusarium oxysporum (9 points). The last is one of the major factors causing decrease of productivity of seeds of Callistephus chinensis in forest-steppe zone of Ukraine and in other regions. Assessment of attribute collection showed that almost 80% of varieties practically were not amazed with this illness. Insignificant contamination by that disease-producing factor (1 – 1,5 points) was revealed at plants of variety Pavlyny and variety Carmen.

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Key words: Callistephus chinensis, variety, attribute, collection, resistance.

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