Cereal Research Communications
Volume/Issue:
Volume 35: Issue 4
Translocation of dry matter in ten winter wheat cultivars released in the years 1921–2003
Authors:
M. Uzik SCAR — Research Institute of Plant Production Bratislavska 122 92101 Piestany Slovakia

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A. Zofajova SCAR — Research Institute of Plant Production Bratislavska 122 92101 Piestany Slovakia

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Pages:
1583–1592
Online Publication Date:
23 Oct 2007
Publication Date:
01 Dec 2007
Article Category:
Research Article
DOI:
https://doi.org/10.1556/crc.35.2007.4.5
Keywords:
translocation; above ground dry matter; root dry matter; winter wheat; cultivars
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Set of 10 winter wheat cultivars was evaluated in pot experiment at 4 levels of N-fertilization (0, 30, 60, 90 kg ha −1 ) with the aim to find out contribution of above ground and root translocated biomass on increasing of grain yield of modern cultivars. Modern semi-dwarf cultivars headed earlier, accumulated less above ground biomass till heading, but more root biomass and their intensity of root biomass accumulation was higher than at old cultivars. The highest root biomass produced cultivar Astella, carrying Rht 1. On the doubled grain yield of modern cultivars grain number per ear (r=0.907 ++ ) contributed more than grain weight (r=0.889 ++ ) and ear number per plant (r=−0.512) lowered moderately with the year of cultivar release. Grain yield increased as a result of higher harvest index, without increasing biomass production. Translocation of above ground biomass increased with the year of cultivar release, except of the semi-dwarf, earliest cultivar Kosutka. In all cultivars, root biomass was decreasing from the heading to the maturity and their contribution on translocated dry matter in grain was three times higher than from above ground biomass. Portion of total biomass translocated in grain varied among cultivars from 2.34% (Kosutka) to 41.51% (Astella).

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Cover Cereal Research Communications
Cereal Research Communications A Quarterly of the Cereal Research Non-Profit Ltd. Company
Print ISSN:
0133-3720
Online ISSN:
1788-9170

 

 

 

Cereal Research Communications
Language English
Size A4
Year of
Foundation		 1973
Volumes
per Year		 1
Issues
per Year		 4
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 0133-3720 (Print)
ISSN 1788-9170 (Online)

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