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TRAIT INHERITANCE IN BREAD SPRING WHEAT HYBRIDS WITH SYNTHETICS WITH ABD GENOMIC STRUCTURE

Article language

English

Print date

18.06.20

Date posted online

21.10.2020

Institution

Plant Production Institute nd. a. V. Ya. Yuriev of NAAS National Center for Plant Genetic Resources of Ukraine

Bibliography

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Section

SOURCES AND DONORS

Abstract

 

There are prezented results of a study of early hybrid generations of bread spring wheat with synthetics (ABD genomic structure) combining the genomes of Triticum durum Desf. and Aegilops tauschii Coss. for inheritance of plants height, ear productivity elements: length, spikelet and grain number, grain weight; 1000 grain weight. In all five combinations, transgressive forms were found out on different traits with a frequency of 6% to 8% and a transgression degree of 6 to 17%. In the hybrid Kharkivska 26 / AD 68.112 / Ward // Ae.squarrosa (369), such plants are distinguished on five traits: plant height and parameters of the main ear – length, spikelet and grain number, grain weight. The presence of transgressions indicates an increase in the manifestation level of these traits in bread wheat.

Keywords

wheat, synthetics, hybrids, productivity elements, dominance, heritability