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GrainGenes Reference Report: PEU-04-379

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Reference	PEU-04-379
Title	Assessment for salinity tolerance through intergeneric hybridisation (Triticum durum x Aegilops speltoides)
Contained in	(2004) Genetic variation for plant breeding. Proceedings of the 17th EUCARPIA General Congress, Tulln, Austria, 8-11 September 2004.
Year	2004
Pages	379-382
Author	Noori SAS Vollmann J Grausgruber H Ruckenbauer P
Abstract	The development of more salt-tolerant crop plants is a reasonable goal for plant breeding programmes. For that purpose, a moderately salinity-tolerant Triticum durum accession was crossed with a moderately salinity-tolerant Aegilops speltoides. Some 500 hybrid seeds were produced, 95% of which germinated. The triploid hybrid embryos produced from them were cultured on agar No. 1. Chromosome doubling was induced by using 0.05% colchicine. The resulting hexaploid plants grew to maturity and produced a considerable amount of seeds. The synthetic hexaploid was tested for salinity tolerance, grown at 0, 100, 125, 150, 160, 170, 180, and 200 mM NaCl in a standard nutrient solution for two weeks. The amphidiploid materials showed greater salinity tolerance than either parent, suggesting the presence of different genes for tolerance in the parents
Keyword	application rates [ Show all 15 ]

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