Genetic resources as initial material for developing new soft winter wheat varieties
Keywords:productivity, early ripening, diseases resistance, winter hardiness, product quality, sources of economic characters
Purpose. To estimate genetic resources collection of soft winter wheat plants (new collection accessions) of Ustymivka Experimental Station for Plant Production and select initial material for breeding of adaptive, productive and qualitative soft winter wheat varieties.
Methods. Field experiment, laboratory testing.
Results. The authors pre- sented results of study of over 1000 samples of gene pool of soft winter wheat from 25 countries during 2001–2005 in Ustymivka Experimental Station for Plant Production of Plant Production Institute nd. a. V. Ya. Yuriev, NAAS of Ukraine for a complex of economic traits. More than 400 new sources with high adaptive properties were selected that combine traits of high productivity and high quality of grain, early ripening, resistance to biotic and abiotic fac- tors (the assessment of samples for 16 valuable traits is given). The selected material comes from various agro-cli- matic zones, including zones of unsustainable agriculture.
Conclusions. Recommended sources of traits that have breeding value will allow to enrich high-quality assortment of wheat and considerably accelerate breeding process du- ring development of new soft winter wheat varieties.
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