Czech J. Genet. Plant Breed., 2003, 39(3):89-92 | DOI: 10.17221/3725-CJGPB

Detection of Norin 10 dwarfing genes in winter wheat varieties registered in the Czech Republic

J. Chrpová, M. Škorpík, P. Prášilová, V. Šíp
Varieties Registered in the Czech Republic

Insensitivity to the applied gibberellic acid, indicating the presence of Norin 10 dwarfing genes, was detected in 20 of 57 (35.1%) winter wheat varieties registered in the Czech Republic in 2002. Hybrid analyses in F2 generation showed a prevalent occurrence of Rht2 gene (in 14 varieties). Only 6 varieties were found to carry Rht1 gene. Among the recently developed Rht2 varieties, Clever possesses also a high bread-making quality which was not observed with the older materials. Rht2 varieties were found, on average, less winter-hardy, later in heading and more resistant to lodging than Rht1 varieties.

Keywords: winter wheat; registered varieties; dwarfing (Rht) genes

Published: September 30, 2003  Show citation

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Chrpová J, Škorpík M, Prášilová P, Šíp V. Detection of Norin 10 dwarfing genes in winter wheat varieties registered in the Czech Republic. Czech J. Genet. Plant Breed. 2003;39(3):89-92. doi: 10.17221/3725-CJGPB.
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