Genetically controlled differences in the effects of chlormequat on tetraploid wheat (Triticum turgidum)

Shahal Abbo, Eitan Millet, Moshe J. Pinthus*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Two crosses between Triticum turgidum wheat lines differing in their response to chlormequat (CCC) were tested. In the F2 population of one cross, which was segregating for the Rht1 dwarfing allele, each plant was cloned by separation of two tillers, one of which was treated with CCC. The tall (rht1/rht1) and the intermediate (Rht1/rht1) genotypes showed a greater response to CCC than the semi-dwarf (Rht1/Rht1) genotype, as expressed by culm length and date of ear emergence. The F3 families of another cross and their two semi-dwarf parents were grown in a three-replicated field test in paris of rows, one of which was treated with CCC. In one of the parents and in 1/4 of the F3 families CCC induced a wide-angled tiller growth, suggesting a monogenic control of this growth habit in response to CCC.

Original languageAmerican English
Pages (from-to)235-239
Number of pages5
JournalPlant Growth Regulation
Volume5
Issue number3
DOIs
StatePublished - Jan 1987

Keywords

  • CCC
  • Chlormequat
  • Triticum turgidum
  • dwarfing genes
  • wheat

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