Acta Agronomica Hungarica
Volume/Issue:
Volume 58: Issue 3
Characterization of wheat-barley introgression lines for drought tolerance
Authors:
B. Hoffmann Pannon University Department of Plant Sciences and Biotechnology, Georgikon Faculty Keszthely Hungary

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N. Aranyi Pannon University Department of Plant Sciences and Biotechnology, Georgikon Faculty Keszthely Hungary

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M. Molnár-Láng Agricultural Research Institute of the Hungarian Academy of Sciences Martonvásár Hungary

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Pages:
211–218
Online Publication Date:
17 Sep 2010
Publication Date:
01 Sep 2010
Article Category:
Research Article
DOI:
https://doi.org/10.1556/AAgr.58.2010.3.3
Keywords:
wheat-barley hybrids; drought stress; water potential; yield; yield components
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The safety of wheat production in Hungary requires the propagation of droughttolerant cultivars because of the regular occurrence of water deficiency. Hybridization between related species makes it possible to transfer desirable traits from one species to another. Introgression lines developed from wheat/barley hybrids were investigated together with the parental wheat and barley cultivars to determine how the added barley chromosome (segment) influences drought tolerance in wheat. The plants were grown in the field at the UP Georgikon Faculty, Keszthely. Sowing and harvest were done by hand. Half the length of the 12 m rows was covered with a plastic rain shelter on 2 nd April (EC: 30–31) to protect the plants from rain, resulting in a 163 mm difference in water supplies between the control (not covered) and stressed (covered) treatments. Data were obtained for anthesis and maturity date, plant height, root/shoot ratio, leaf water potential, grain yield and grain yield components. The plants adapted to water deficiency by increasing the root/shoot ratio and decreasing the water potential and the duration of grain filling. The grain yield was reduced by 12%, averaged over the genotypes, mainly due to a decrease in the number of spikes per plant.

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Cover Acta Agronomica Hungarica
Acta Agronomica Hungarica
Print ISSN:
0238-0161
Online ISSN:
1588-2527

Acta Agronomica Hungarica
Language English
Russian
German
French
Size  
Year of
Foundation		 1950
Publication
Programme		 ceased
Volumes
per Year		  
Issues
per Year		  
Founder Magyar Tudományos Akadémia   
Founder's
Address		 H-1051 Budapest, Hungary, Széchenyi István tér 9.
Publisher Akadémiai Kiadó
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 0238-0161 (Print)
ISSN 1588-2527 (Online)

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