African Journal of
Agricultural Research

  • Abbreviation: Afr. J. Agric. Res.
  • Language: English
  • ISSN: 1991-637X
  • DOI: 10.5897/AJAR
  • Start Year: 2006
  • Published Articles: 6576

Full Length Research Paper

Screening Aegilops-Triticum species for Boron tolerance

  R. M. Emon1*, K. Gustafson2, P. J. Bebeli2, M. Jahiruddin3, M. S. Haque4, K. Ross5 and J. P. Gustafson5
  1Plant Breeding Division, Bangladesh Institute of Nuclear Agriculture (BINA), BAU Campus, Mymensingh 2202, Bangladesh. 2Department of Plant Breeding and Biometry, Agricultural University of Athens, Athens, Greece. 3Department  of Soil Science, Bangladesh Agricultural University, Mymensingh, Bangladesh. 4Department of Biotechnology, Bangladesh Agricultural University, Mymensingh, Bangladesh. 5USDA-ARS, PGRU, University of Missouri, Columbia, USA.
Email: [email protected]

  •  Accepted: 30 January 2012
  •  Published: 26 March 2012

Abstract

 

Boron toxic soils are a problem for wheat production in many regions of the world. Wild Triticeae relatives  are known to provide gene pools for wheat germplasm improvement. To establish their potential for improving Boron tolerance, Aegilops speltoides, Ae. longissima, Ae. sharonensis, Ae. bicornis, Ae. searsii, Ae. kotschyi, Ae. peregrina ssp. cylindrostachys, Ae. peregrina ssp. euvariabilis, Ae. geniculata syn. ovata, Ae. biuncialis, Ae. triuncialis, and Triticum turgidum ssp. dicoccoides accessions collected from Israel, Turkey, Syria, Jordan, Egypt, Lebanon, and Iran were screened for Boron tolerance using a hydroponic system containing elevated levels of Boron. The results indicated that some Ae. longissima, Ae. kotschyi, Ae. peregrina ssp. cylindrostachys, Ae. peregrina ssp. euvariabilis, and Triticum turgidum ssp. dicoccoides accessions were tolerant to excess Boron. Tolerant Triticeae accessions can be useful sources of Boron tolerance for wheat improvement. The difficulties of screening wild Triticum and Aegilops species in hydroponics are discussed.

 

Key words: Triticum, Aegilops, boron tolerance, hydroponics.