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Drought Tolerance of Land Races of Emmer Wheat in Comparison to Soft Wheat

Konvalina, Petr; Moudry, Jan; Dotlacil, Ladislav; Stehno, Zdenek and Moudry, Jan (Jr.) (2010) Drought Tolerance of Land Races of Emmer Wheat in Comparison to Soft Wheat. Cereal Research Communications, 38 (3), pp. 429-439.

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As water deficiency becomes a more frequent cause of the reduction in wheat yield levels, the search for donors of drought tolerance to be bred into adapted land races becomes urgent. Drought tolerance has been evaluated by the 13C discrimination method in six land races of emmer wheat (Triticum dicoccum SCHRANK), compared with land races, obsolete cultivars and modern varieties of soft wheat (Triticum aestivum L.). The results of a two-year trial show that most of the genetic resources of emmer wheat, and intermediate land races of wheat are predisposed to drought tolerance. These varieties respond to dry conditions more sensitively, as they close their pores earlier (a lower value of the discrimination of 13C isotope). As for other land races and the top modern varieties of soft wheat, they are not thought to be predisposed to drought tolerance and their crop stands are liable to serious damage.

EPrint Type:Journal paper
Keywords:drought tolerance, discrimination of 13C, emmer, soft wheat,
Subjects: Crop husbandry
Crop husbandry > Breeding, genetics and propagation
Research affiliation: Czech Republic > University of South Bohemia (JU)
Czech Republic > Crop Research Institute (VURV)
Deposited By: Předotová, Pavla
ID Code:21246
Deposited On:07 Sep 2012 07:07
Last Modified:07 Sep 2012 07:07
Document Language:English
Refereed:Peer-reviewed and accepted

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