Effect of Genotype and Nitrogen Fertilization on Grain Yield and Quality of Spring Barley Intended for Health Food Use
PBN-AR
Instytucja
Instytut Uprawy Nawożenia i Gleboznawstwa - Państwowy Instytut Badawczy
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Główny język publikacji
en
Czasopismo
Bulgarian Journal of Agricultural Science
ISSN
1310-0351
EISSN
Wydawca
SCIENTIFIC ISSUES NATL CENTRE AGRARIAN SCIENCES
DOI
URL
Rok publikacji
2014
Numer zeszytu
3
Strony od-do
594-598
Numer tomu
20
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+ 1
Słowa kluczowe
en
dietary fibre
β-glucan
protein
ash
barley
nitrogen dose
Open access
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Język
en
Treść
In the years 2007-2009, pot experiments on spring barley were carried out in greenhouse of Institute of Soil Science and Plant Cultivation-State Research Institute in Puławy, using the Mitscherlich pots. The following cultivars were compared: ‘Basza’, ‘Conchita’, ‘Skarb’, and ‘Xanadu’ in terms of their response to 3 levels of nitrogen fertilization (NH4NO3): 1, 2 and 3 g N / pot. Doses of 1 and 2 g N / pot was divided into two parts: 60% before sowing + 40% at the end of tillering, and the dose of 3 g N / pot was divided into three parts: 60% before sowing + 25% at the end of tillering + 15% before heading. Studied spring barley cultivars varied by grain yield size, grain yield structure traits and response to nitrogen doses. Cultivars ‘Conchita’ and ‘Xanadu’ had the higher grain yield and greater number of spikes per pot compared to ‘Basha’ and ‘Skarb’. Cv. ‘Skarb’ was characterized by higher total dietary fibre and insoluble dietary fibre contents in grains than other cultivars. Cv. ‘Xanadu’ was characterized by the highest soluble dietary fibre content. ‘Conchita’ cultivar showed a higher (1-3) (1-4)-β-D-glucan content in the grain than other cultivars. With the increase of nitrogen levels to 3 g N/pot, there was obtained significant increase in grain yield and number of spikes per pot in all spring barley cultivars, but the decrease of 1000 kernel weight. Comparing to other cultivars, the highest yielding cultivars ‘Conchita’ and ‘Xanadu’ showed greater percentage increases in grain yield and number of spikes per pot under the influence of increasing nitrogen doses to 3 g N / pot. At 2 and 3 g N/pot doses, the highest dietary fibre and soluble beta-glucan contents in spring barley grains was stated in comparison with a dose of 1 g N/pot. With the increase of nitrogen dose to 3 g N/pot, there was showed significant increase in protein content in grain of all cultivars. Total dietary fibre, insoluble dietary fibre, and ash content in the grain of spring barley cultivars were not dependent on the nitrogen fertilization doses.
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ORIGINAL_ARTICLE
Inne
System-identifier
587090