Semi-dwarf mutants and heterosis in barley. 1. The use of barley sd-mutants for hybrid breeding
- 1. Joint FAO/IAEA Div. of Isotope and Radiation Applications of Atomic Energy for Food and Agricultural Development, Vienna (Austria)
- 2. Silesia Univ., Katowice (Poland). Dept. of Genetics
- 3. Plant Breeding Station, Polanowice-Lagiewniki (Poland)
Description
Short stature, spring barley mutants obtained after chemical or physical mutagenic treatment were evaluated as a possible source of dwarfism in barley. Genetic analysis of 35 mutants indicated non-allelic relationships. Two dwarfing genes dw-1 and sdw-b were localized on chromosome 3. It was observed that out of 190 various morphological, physiological or isoenzymatic mutants, 122 were mutated simultaneously also for semi-dwarf or dwarf stature. In many crosses between mutants or between mutants and parents, a very high heterosis was observed. The heterosis manifestation in F1 was observed for four characters: height, tillering or number and weight of grain per plant. The use of induced semi-dwarfs as an alternative for hybrid barley production is discussed. (author). 32 refs, 1 fig., 13 tabs
Additional details
Publishing Information
- Imprint Title
- Semi-dwarf cereal mutants and their use in cross-breeding III
- Imprint Pagination
- 256 p.
- Journal Page Range
- p. 193-206.
- Report number
- IAEA-TECDOC--455
Conference
- Title
- Final research co-ordination meeting on evaluation of semi-dwarf cereal mutants for cross-breeding.
- Dates
- 16-20 Dec 1985.
- Place
- Rome (Italy).
INIS
- Country of Publication
- International Atomic Energy Agency (IAEA)
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 19076454
- Subject category
- S60: APPLIED LIFE SCIENCES;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- BARLEY; HEIGHT; HYBRIDIZATION; MORPHOLOGICAL CHANGES; MUTAGENESIS; MUTANTS; PLANT BREEDING; PRODUCTIVITY; SEEDS; WEIGHT
- Descriptors DEC
- CEREALS; DIMENSIONS; GRAMINEAE; PLANTS