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Grain filling parameters and yield components in wheat

Parametri nalivanja zrna i komponente prinosa pšenice

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2006
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Authors
Brdar, Milka
Kobiljski, Borislav
Balalić-Kraljević, Marija
Article (Published version)
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Abstract
Grain yield of wheat (Triticum aestivum L.) is influenced by number of grains per unit area and grain weight, which is result of grain filling duration and rate. The aim of the study was to investigate the relationships between grain filling parameters in 4 wheat genotypes of different earliness and yield components. Nonlinear regression estimated and observed parameters were analyzed. Rang of estimated parameters corresponds to rang of observed parameters. Stepwise MANOVA indicated that the final grain dry weight, rate and duration of grain filling were important parameters in differentiating among cultivars grain filling curves. The yield was positively correlated with number of grains/m2, grain weight and grain filling rate, and negatively correlated with grain filling duration. Correlation between grain weight and rate of grain filling was positive. Grain filling duration was negatively correlated with grain filling rate and number of grains/m2. The highest yield on three year aver...age had medium late Mironovska 808, by the highest grain weight and grain filling rate and optimal number of grains/2 and grain filling duration.

Prinos pšenice (Triticum aestivum L.) određuju broj zrna po jedinici površine i masa zrna, koja je rezultat dužine i intenziteta nalivanja zrna. Ogled je izveden u cilju ispitivanja veza parametara nalivanja zrna 4 genotipa pšenice različitog vremena stasavanja i komponenti prinosa. Analizirani su nelinearnom regresijom procenjeni i eksperimentalno utvrđeni parametri nalivanja zrna. Rang procenjenih odgovara rangu eksperimentalno utvrđenih parametara. Stepwise MANOVA-om su kao značajni parametri koji uslovljavaju razlike među krivama nalivanja zrna analiziranih genotipova izdvojeni masa zrna, intenzitet i dužina nalivanja zrna. Zabeležena je pozitivna korelacija prinosa i broja zrna/m2, mase zrna i intenziteta nalivanja zrna, kao i negativna korelacija sa dužinom nalivanja zrna. Između mase zrna i intenziteta nalivanja zrna je utvrđena pozitivna korelacija. Dužina nalivanja zrna je bila u negativnoj korelaciji sa intenzitetom nalivanja zrna i brojem zrna/m2. Najveći prinos je u trogodi...šnjem prošeku ostvarila srednje kasna Mironovska 808, sa najvećim intenzitetom nalivanja i masom zrna i optimalnim brojem zrna/m2 i dužinom nalivanja zrna.

Keywords:
wheat / grain filling / yield components
Source:
Genetika-Belgrade, 2006, 38, 3, 175-181
Publisher:
  • Društvo genetičara Srbije, Beograd

DOI: 10.2298/GENSR0603175B

ISSN: 0534-0012

[ Google Scholar ]
URI
http://fiver.ifvcns.rs/handle/123456789/371
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  • Radovi istraživača / Researchers' papers
Institution/Community
FiVeR
TY  - JOUR
AU  - Brdar, Milka
AU  - Kobiljski, Borislav
AU  - Balalić-Kraljević, Marija
PY  - 2006
UR  - http://fiver.ifvcns.rs/handle/123456789/371
AB  - Grain yield of wheat (Triticum aestivum L.) is influenced by number of grains per unit area and grain weight, which is result of grain filling duration and rate. The aim of the study was to investigate the relationships between grain filling parameters in 4 wheat genotypes of different earliness and yield components. Nonlinear regression estimated and observed parameters were analyzed. Rang of estimated parameters corresponds to rang of observed parameters. Stepwise MANOVA indicated that the final grain dry weight, rate and duration of grain filling were important parameters in differentiating among cultivars grain filling curves. The yield was positively correlated with number of grains/m2, grain weight and grain filling rate, and negatively correlated with grain filling duration. Correlation between grain weight and rate of grain filling was positive. Grain filling duration was negatively correlated with grain filling rate and number of grains/m2. The highest yield on three year average had medium late Mironovska 808, by the highest grain weight and grain filling rate and optimal number of grains/2 and grain filling duration.
AB  - Prinos pšenice (Triticum aestivum L.) određuju broj zrna po jedinici površine i masa zrna, koja je rezultat dužine i intenziteta nalivanja zrna. Ogled je izveden u cilju ispitivanja veza parametara nalivanja zrna 4 genotipa pšenice različitog vremena stasavanja i komponenti prinosa. Analizirani su nelinearnom regresijom procenjeni i eksperimentalno utvrđeni parametri nalivanja zrna. Rang procenjenih odgovara rangu eksperimentalno utvrđenih parametara. Stepwise MANOVA-om su kao značajni parametri koji uslovljavaju razlike među krivama nalivanja zrna analiziranih genotipova izdvojeni masa zrna, intenzitet i dužina nalivanja zrna. Zabeležena je pozitivna korelacija prinosa i broja zrna/m2, mase zrna i intenziteta nalivanja zrna, kao i negativna korelacija sa dužinom nalivanja zrna. Između mase zrna i intenziteta nalivanja zrna je utvrđena pozitivna korelacija. Dužina nalivanja zrna je bila u negativnoj korelaciji sa intenzitetom nalivanja zrna i brojem zrna/m2. Najveći prinos je u trogodišnjem prošeku ostvarila srednje kasna Mironovska 808, sa najvećim intenzitetom nalivanja i masom zrna i optimalnim brojem zrna/m2 i dužinom nalivanja zrna.
PB  - Društvo genetičara Srbije, Beograd
T2  - Genetika-Belgrade
T1  - Grain filling parameters and yield components in wheat
T1  - Parametri nalivanja zrna i komponente prinosa pšenice
EP  - 181
IS  - 3
SP  - 175
VL  - 38
DO  - 10.2298/GENSR0603175B
UR  - conv_1349
ER  - 
@article{
author = "Brdar, Milka and Kobiljski, Borislav and Balalić-Kraljević, Marija",
year = "2006",
abstract = "Grain yield of wheat (Triticum aestivum L.) is influenced by number of grains per unit area and grain weight, which is result of grain filling duration and rate. The aim of the study was to investigate the relationships between grain filling parameters in 4 wheat genotypes of different earliness and yield components. Nonlinear regression estimated and observed parameters were analyzed. Rang of estimated parameters corresponds to rang of observed parameters. Stepwise MANOVA indicated that the final grain dry weight, rate and duration of grain filling were important parameters in differentiating among cultivars grain filling curves. The yield was positively correlated with number of grains/m2, grain weight and grain filling rate, and negatively correlated with grain filling duration. Correlation between grain weight and rate of grain filling was positive. Grain filling duration was negatively correlated with grain filling rate and number of grains/m2. The highest yield on three year average had medium late Mironovska 808, by the highest grain weight and grain filling rate and optimal number of grains/2 and grain filling duration., Prinos pšenice (Triticum aestivum L.) određuju broj zrna po jedinici površine i masa zrna, koja je rezultat dužine i intenziteta nalivanja zrna. Ogled je izveden u cilju ispitivanja veza parametara nalivanja zrna 4 genotipa pšenice različitog vremena stasavanja i komponenti prinosa. Analizirani su nelinearnom regresijom procenjeni i eksperimentalno utvrđeni parametri nalivanja zrna. Rang procenjenih odgovara rangu eksperimentalno utvrđenih parametara. Stepwise MANOVA-om su kao značajni parametri koji uslovljavaju razlike među krivama nalivanja zrna analiziranih genotipova izdvojeni masa zrna, intenzitet i dužina nalivanja zrna. Zabeležena je pozitivna korelacija prinosa i broja zrna/m2, mase zrna i intenziteta nalivanja zrna, kao i negativna korelacija sa dužinom nalivanja zrna. Između mase zrna i intenziteta nalivanja zrna je utvrđena pozitivna korelacija. Dužina nalivanja zrna je bila u negativnoj korelaciji sa intenzitetom nalivanja zrna i brojem zrna/m2. Najveći prinos je u trogodišnjem prošeku ostvarila srednje kasna Mironovska 808, sa najvećim intenzitetom nalivanja i masom zrna i optimalnim brojem zrna/m2 i dužinom nalivanja zrna.",
publisher = "Društvo genetičara Srbije, Beograd",
journal = "Genetika-Belgrade",
title = "Grain filling parameters and yield components in wheat, Parametri nalivanja zrna i komponente prinosa pšenice",
pages = "181-175",
number = "3",
volume = "38",
doi = "10.2298/GENSR0603175B",
url = "conv_1349"
}
Brdar, M., Kobiljski, B.,& Balalić-Kraljević, M.. (2006). Grain filling parameters and yield components in wheat. in Genetika-Belgrade
Društvo genetičara Srbije, Beograd., 38(3), 175-181.
https://doi.org/10.2298/GENSR0603175B
conv_1349
Brdar M, Kobiljski B, Balalić-Kraljević M. Grain filling parameters and yield components in wheat. in Genetika-Belgrade. 2006;38(3):175-181.
doi:10.2298/GENSR0603175B
conv_1349 .
Brdar, Milka, Kobiljski, Borislav, Balalić-Kraljević, Marija, "Grain filling parameters and yield components in wheat" in Genetika-Belgrade, 38, no. 3 (2006):175-181,
https://doi.org/10.2298/GENSR0603175B .,
conv_1349 .

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