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On the physiogenetic regulation of dwarfness in barley

By: Contributor(s): Material type: TextTextLanguage: En Publication details: 1982Subject(s): DDC classification:
  • 83-919700
 In: Joint FAO/IAEA Div. of Isotope and Radiation Applications of Atomic Energy for Food and Agricultural Development, Vienna (Austria). Semi-dwarf cereal mutants and their use in cross-breeding. Proceedings of a research co-ordination meeting organized by the Joint FAO/IAEA Division of Isotope and Radiation Applications of Atomic Energy for Food and Agricultural Development and held in Vienna, 2-6 March 1981. Jul 1982. p. 81-8383-919700Summary: The physiogenetic regulation of barley growth was investigated by using two types of dwarf varieties. GA-less and GA-ins are single gene dwarf mutants, the first is very sensitive to exogenous GA3 addition while the latter is completely insensitive to any addition of the hormone. When the GA-like content of the mutants was analyzed it became evident that while GA-ins showed almost the same chromatographic pattern as the normal type, GA-less had no detectable activity in the same conditions. (3H)GA1 fed to the roots was readily translocated to the sheaths and converted into at least four metabolites. It was found that the GA-less dwarf mutation does
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The physiogenetic regulation of barley growth was investigated by using two types of dwarf varieties. GA-less and GA-ins are single gene dwarf mutants, the first is very sensitive to exogenous GA3 addition while the latter is completely insensitive to any addition of the hormone. When the GA-like content of the mutants was analyzed it became evident that while GA-ins showed almost the same chromatographic pattern as the normal type, GA-less had no detectable activity in the same conditions. (3H)GA1 fed to the roots was readily translocated to the sheaths and converted into at least four metabolites. It was found that the GA-less dwarf mutation does

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