Abstract
The results of the analysis of allelic polymorphism of strawberry varieties and forms for the FAOMT fruit aroma gene were shown. The non-functional allele FaOMT- in the homozygous state was detected in strawberry variety Quicky. Heterozygous genotype (FaOMT+FaOMT-) was identified in the strawberry varieties Feyerverk, Ostara, Polka and Symphony, and selected forms 26-5 and 928-12. The functional allele FaOMT gene (FaOMT+) in the homozygous state (FaOMT+FaOMT+ genotype) was detected in strawberry varieties Borovitskaya, Kubata, Troitskaya, Tsaritsa, Yarkaya, Korona and Vima Kimberly, and selected forms 932-29 and 298-19-9-43, which allows us to be used as valuable initial forms in breeding for fruit aroma.
Highlights
Strawberry is one of the most widespread berry crops in the world
Unlike most quantitative traits of strawberry, the formation of which is due to polygenic effects, the concentration of 4-methoxy-2,5-dimethyl-3-furanone in fruits is controlled by the dominant FaOMT gene
According to the research the functional allele FaOMT+ was detected in forms (93.7%) out of analyzed genotypes
Summary
Strawberry is one of the most widespread berry crops in the world. Its popularity is due to such traits as early harvest maturity, dessert taste, aroma and rich biochemical composition of the fruit [1, 2]. Unlike most quantitative traits of strawberry, the formation of which is due to polygenic effects, the concentration of 4-methoxy-2,5-dimethyl-3-furanone in fruits is controlled by the dominant FaOMT gene. The FaOMT gene has two allelic states. FaOMT+ determines a high level of accumulation of mesifurane in strawberry fruits.
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