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Variability of maize lines in ability to use nitrogen

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2019
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Authors
Dragičević, Vesna
Mladenović Drinić, Snežana
Simic, Milena
Brankov, Milan
Kresović, Branka
Mesarović, Jelena
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Abstract
Nitrogen is important macro-nutrient that influences various physiological processes in plants. Nevertheless, nitrogen could be loosed from the soil by leaching and evaporation. Thus, low nitrogen inputs are required together with strategy to improve its utilization by crops. Maize genotypes exhibit various susceptibility to low soil nitrogen. From that reason, variability in reaction of 32 maize lines to growing in conditions with optimal (fertilization with urea), and with low nitrogen (without fertilization) was examined during 2017 and 2018. All other growing measures and fertilization with other elements was applied at the same manner on whole experimental plot. 2017 was drier season, with higher average temperatures, particularly during anthesis and grain filling period. High variability among genotypes and seasons was present. The values of maize grain yield and 1000 grain weight were slightly lower in the field without nitrogen fertilization. Some lines und...er the low nitrogen conditions reached even higher grain yields (efficacy of yielding was 139.7% and 156.7% respectively, for 2017 and 2018), than in conditions with optimal nitrogen in soil, declaring them as genotypes with high nitrogen using efficiency. However, these lines achieved moderate yields (in both fields and years) in regard to other lines. Among tested lines, two had relatively higher grain yields indicating them as prominent for further research, i.e. breeding of maize hybrids with better nitrogen usage from soil, even in the conditions with low nitrogen.

Keywords:
maize lines / nitrogen using efficiency / grain yield
Source:
6. Congress of the Serbian genetic society, Vrnjačka Banja, 13-17.10.2019. godine - Book of abstracts, 2019, 203-203
Publisher:
  • Belgrade : Serbian genetic society

ISBN: 978-86-87109-15-5

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_rik_1046
URI
http://rik.mrizp.rs/handle/123456789/1046
Collections
  • Радови истраживача / Researchers' publications
Institution/Community
MRIZP
TY  - CONF
AU  - Dragičević, Vesna
AU  - Mladenović Drinić, Snežana
AU  - Simic, Milena
AU  - Brankov, Milan
AU  - Kresović, Branka
AU  - Mesarović, Jelena
PY  - 2019
UR  - http://rik.mrizp.rs/handle/123456789/1046
AB  - Nitrogen is important macro-nutrient that influences various physiological processes in 
plants. Nevertheless, nitrogen could be loosed from the soil by leaching and evaporation. 
Thus, low nitrogen inputs are required together with strategy to improve its utilization by 
crops. Maize genotypes exhibit various susceptibility to low soil nitrogen. From that reason, 
variability in reaction of 32 maize lines to growing in conditions with optimal (fertilization 
with urea), and with low nitrogen (without fertilization) was examined during 2017 and 2018. 
All other growing measures and fertilization with other elements was applied at the same 
manner on whole experimental plot. 2017 was drier season, with higher average 
temperatures, particularly during anthesis and grain filling period.
High variability among genotypes and seasons was present. The values of maize grain yield and 
1000 grain weight were slightly lower in the field without nitrogen fertilization. Some lines 
under the low nitrogen conditions reached even higher grain yields (efficacy of yielding was 
139.7% and 156.7% respectively, for 2017 and 2018), than in conditions with optimal 
nitrogen in soil, declaring them as genotypes with high nitrogen using efficiency. However, 
these lines achieved moderate yields (in both fields and years) in regard to other lines. Among 
tested lines, two had relatively higher grain yields indicating them as prominent for further 
research, i.e. breeding of maize hybrids with better nitrogen usage from soil, even in the 
conditions with low nitrogen.
PB  - Belgrade : Serbian genetic society
C3  - 6. Congress of the Serbian genetic society, Vrnjačka Banja, 13-17.10.2019. godine - Book of abstracts
T1  - Variability of maize lines in ability to use nitrogen
SP  - 203
EP  - 203
ER  - 
@conference{
author = "Dragičević, Vesna and Mladenović Drinić, Snežana and Simic, Milena and Brankov, Milan and Kresović, Branka and Mesarović, Jelena",
year = "2019",
abstract = "Nitrogen is important macro-nutrient that influences various physiological processes in 
plants. Nevertheless, nitrogen could be loosed from the soil by leaching and evaporation. 
Thus, low nitrogen inputs are required together with strategy to improve its utilization by 
crops. Maize genotypes exhibit various susceptibility to low soil nitrogen. From that reason, 
variability in reaction of 32 maize lines to growing in conditions with optimal (fertilization 
with urea), and with low nitrogen (without fertilization) was examined during 2017 and 2018. 
All other growing measures and fertilization with other elements was applied at the same 
manner on whole experimental plot. 2017 was drier season, with higher average 
temperatures, particularly during anthesis and grain filling period.
High variability among genotypes and seasons was present. The values of maize grain yield and 
1000 grain weight were slightly lower in the field without nitrogen fertilization. Some lines 
under the low nitrogen conditions reached even higher grain yields (efficacy of yielding was 
139.7% and 156.7% respectively, for 2017 and 2018), than in conditions with optimal 
nitrogen in soil, declaring them as genotypes with high nitrogen using efficiency. However, 
these lines achieved moderate yields (in both fields and years) in regard to other lines. Among 
tested lines, two had relatively higher grain yields indicating them as prominent for further 
research, i.e. breeding of maize hybrids with better nitrogen usage from soil, even in the 
conditions with low nitrogen.",
publisher = "Belgrade : Serbian genetic society",
journal = "6. Congress of the Serbian genetic society, Vrnjačka Banja, 13-17.10.2019. godine - Book of abstracts",
title = "Variability of maize lines in ability to use nitrogen",
pages = "203-203"
}
Dragičević, V., Mladenović Drinić, S., Simic, M., Brankov, M., Kresović, B.,& Mesarović, J.. (2019). Variability of maize lines in ability to use nitrogen. in 6. Congress of the Serbian genetic society, Vrnjačka Banja, 13-17.10.2019. godine - Book of abstracts
Belgrade : Serbian genetic society., 203-203.
Dragičević V, Mladenović Drinić S, Simic M, Brankov M, Kresović B, Mesarović J. Variability of maize lines in ability to use nitrogen. in 6. Congress of the Serbian genetic society, Vrnjačka Banja, 13-17.10.2019. godine - Book of abstracts. 2019;:203-203..
Dragičević, Vesna, Mladenović Drinić, Snežana, Simic, Milena, Brankov, Milan, Kresović, Branka, Mesarović, Jelena, "Variability of maize lines in ability to use nitrogen" in 6. Congress of the Serbian genetic society, Vrnjačka Banja, 13-17.10.2019. godine - Book of abstracts (2019):203-203.

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