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Type: Journal article
Title: Domesticated emmer wheat [T-turgidum L. subsp dicoccon (Schrank) Thell.] as a source for improvement of zinc efficiency in durum wheat
Author: Genc, Y.
McDonald, G.
Citation: Plant and Soil: international journal on plant-soil relationships, 2008; 310(1-2):67-75
Publisher: Kluwer Academic Publ
Issue Date: 2008
ISSN: 0032-079X
Statement of
Y. Genc and G.K. McDonald
Abstract: Modern durum wheat (AABB) is more sensitive to zinc (Zn) deficiency than bread wheat (AABBDD). One strategy to increase productivity and expansion of durum wheat industry in Zn-deficient soils is to improve its ability to grow and yield in such soils. This ability is termed Zn efficiency. In a growth room experiment using soil culture, we assessed the potential of Triticum turgidum L. subsp. dicoccon (Shrank) Thell. (domesticated emmer wheat, AABB) as a genetic resource for further improvement of Zn efficiency in modern durum wheat. Twenty four accessions of domesticated emmer wheat, four durum landraces/cultivars, and two bread wheat cultivars/ advanced breeders lines of known Zn efficiency were tested under Zn deficiency and Zn sufficiency. Significant variation was observed among genotypes in Zn deficiency symptoms, dry matter production, shoot Zn concentration, shoot Zn content and Zn utilisation efficiency (physiological efficiency). We identified domesticated emmer wheat accessions with greater Zn efficiency than modern durum wheat and even bread wheat genotypes. These accessions could be used in breeding programs to improve Zn efficiency of durum wheat. The results suggest that Zn efficiency of durum or bread wheat is likely to be determined collectively by its progenitors.
Description: The original publication can be found at
DOI: 10.1007/s11104-008-9630-4
Appears in Collections:Agriculture, Food and Wine publications
Aurora harvest

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