Barley Genetics Newsletter

Information about the Barley Genetics Newsletter

Response of five induced plant height mutants (dwarfs and semi-dwarfs) of barley to gibberellic acid (GA3) treatment was studied. The gibberellic acid response index (GRI) was calculated and based on this value, the mutants have been categorized as sensitive (high or moderate) or insensitive. The GRI value was highest for dwarf mutant followed by early maturing mutant with the former being high...

Soybean Genetics Newsletter - 2000

Genetics of barley hooded suppression.

The molecular basis of the barley dominant Hooded (K) mutant is a duplication of 305 bp in intron IV of the homeobox gene Bkn3. A chemical mutagenesis screen was carried out to identify genetical factors that participate in Bkn3 intron-mediated gene regulation. Plants from recurrently mutagenized KK seeds were examined for the suppression of the hooded awn phenotype induced by the K allele and,...

Barley Genetics Newsletter 37:1-4 (2007) Dominance and recessiveness of parameters of Aluminum-resistance of barley F2 hybrids at different concentrations of stress factor

Till now there is no uniform opinion in the scientific literature about number and type of action of genes coding barley aluminum resistance. For example, Rigin, Yakovleva (2001) considers, that it is controlled by two oligogenes, as a minimum, with possible action of genes with weaker effect. Other authors assume the control of the parameter by one dominant gene Pht [Stolen, Andersen, 1978], o...

Barley Genetics Newsletter 37:5-20 (2007) Frequency distributions and composite interval mapping for QTL analysis in ‘Steptoe’ x ‘Morex’ barley mapping population

With the advancement of QTL mapping strategies, the traditional approaches for the identification of genes and their effects responsible for trait expression are gradually losing significance. The phenotypic data for heading days, plant height, peduncle length, number of tillers and stripe rust was recorded on 150 recombinant inbred line (RIL) population developed from a barley cross of ‘Stepto...