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Occurrence of moulds and mycotoxins in grass-legume silages influenced by nitrogen fertilization and phenological phase at harvest

Authorized Users Only
2017
Authors
Bijelić, Zorica
Krnjaja, Vesna
Muslic-Ruzić, Dragana
Mandić, Violeta
Škrbić, Zdenka
Lukić, Miloš
Stanković, Slavica
Article (Published version)
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Abstract
The aim of this study was to determine the presence of fungi and concentrations of mycotoxins, zearalenone, fumonisin and deoxynivalenol, in lucerne and grass-legume silages, under the influence of different doses of N fertilization and harvesting at different stages of phenological development of the plants. Studies included pure lucerne crop and mixtures of lucerne with cocksfoot, tall fescue and sainfoin, sown in different ratios, fertilized with 0, 70, 140 or 210 kgN ha(-1) and harvested in the butonization phase or at 50% flowering of lucerne plants. Results showed that the total fungi count in the silage depended on the three investigated factors. The highest total fungi count was determined in the mixture silages of lucerne, cocksfoot and tall fescue, which was well treated with different nitrogen quantities, harvested and prepared in later stages of plant development. The most commonly-occurring fungi were Fusarium species (85.5% of fungi were this genus). Of the studied mycoto...xins, only DON depended on fertilization, as it reduced the concentration of DON from 0.15 to 0.07 mg kg(-1). Preventing appearance of fungi and their mycotoxins in forage and silage should begin in the field as well as during the process of preparation of silage.

Keywords:
microbiology / mycotoxicology / silage quality / fertilization / phenological development
Source:
Romanian Biotechnological Letters, 2017, 22, 5, 12907-12914
Publisher:
  • Ars Docendi, Bucharest
Funding / projects:
  • Implementation of new biotechnological solution in breeding of cattle, sheep and goats for the purpose of obtaining biologically valuable and safe food (RS-31053)

ISSN: 1224-5984

WoS: 000417090100007

[ Google Scholar ]
1
URI
http://rik.mrizp.rs/handle/123456789/688
Collections
  • Радови истраживача / Researchers' publications
Institution/Community
MRIZP
TY  - JOUR
AU  - Bijelić, Zorica
AU  - Krnjaja, Vesna
AU  - Muslic-Ruzić, Dragana
AU  - Mandić, Violeta
AU  - Škrbić, Zdenka
AU  - Lukić, Miloš
AU  - Stanković, Slavica
PY  - 2017
UR  - http://rik.mrizp.rs/handle/123456789/688
AB  - The aim of this study was to determine the presence of fungi and concentrations of mycotoxins, zearalenone, fumonisin and deoxynivalenol, in lucerne and grass-legume silages, under the influence of different doses of N fertilization and harvesting at different stages of phenological development of the plants. Studies included pure lucerne crop and mixtures of lucerne with cocksfoot, tall fescue and sainfoin, sown in different ratios, fertilized with 0, 70, 140 or 210 kgN ha(-1) and harvested in the butonization phase or at 50% flowering of lucerne plants. Results showed that the total fungi count in the silage depended on the three investigated factors. The highest total fungi count was determined in the mixture silages of lucerne, cocksfoot and tall fescue, which was well treated with different nitrogen quantities, harvested and prepared in later stages of plant development. The most commonly-occurring fungi were Fusarium species (85.5% of fungi were this genus). Of the studied mycotoxins, only DON depended on fertilization, as it reduced the concentration of DON from 0.15 to 0.07 mg kg(-1). Preventing appearance of fungi and their mycotoxins in forage and silage should begin in the field as well as during the process of preparation of silage.
PB  - Ars Docendi, Bucharest
T2  - Romanian Biotechnological Letters
T1  - Occurrence of moulds and mycotoxins in grass-legume silages influenced by nitrogen fertilization and phenological phase at harvest
VL  - 22
IS  - 5
SP  - 12907
EP  - 12914
UR  - conv_962
ER  - 
@article{
author = "Bijelić, Zorica and Krnjaja, Vesna and Muslic-Ruzić, Dragana and Mandić, Violeta and Škrbić, Zdenka and Lukić, Miloš and Stanković, Slavica",
year = "2017",
abstract = "The aim of this study was to determine the presence of fungi and concentrations of mycotoxins, zearalenone, fumonisin and deoxynivalenol, in lucerne and grass-legume silages, under the influence of different doses of N fertilization and harvesting at different stages of phenological development of the plants. Studies included pure lucerne crop and mixtures of lucerne with cocksfoot, tall fescue and sainfoin, sown in different ratios, fertilized with 0, 70, 140 or 210 kgN ha(-1) and harvested in the butonization phase or at 50% flowering of lucerne plants. Results showed that the total fungi count in the silage depended on the three investigated factors. The highest total fungi count was determined in the mixture silages of lucerne, cocksfoot and tall fescue, which was well treated with different nitrogen quantities, harvested and prepared in later stages of plant development. The most commonly-occurring fungi were Fusarium species (85.5% of fungi were this genus). Of the studied mycotoxins, only DON depended on fertilization, as it reduced the concentration of DON from 0.15 to 0.07 mg kg(-1). Preventing appearance of fungi and their mycotoxins in forage and silage should begin in the field as well as during the process of preparation of silage.",
publisher = "Ars Docendi, Bucharest",
journal = "Romanian Biotechnological Letters",
title = "Occurrence of moulds and mycotoxins in grass-legume silages influenced by nitrogen fertilization and phenological phase at harvest",
volume = "22",
number = "5",
pages = "12907-12914",
url = "conv_962"
}
Bijelić, Z., Krnjaja, V., Muslic-Ruzić, D., Mandić, V., Škrbić, Z., Lukić, M.,& Stanković, S.. (2017). Occurrence of moulds and mycotoxins in grass-legume silages influenced by nitrogen fertilization and phenological phase at harvest. in Romanian Biotechnological Letters
Ars Docendi, Bucharest., 22(5), 12907-12914.
conv_962
Bijelić Z, Krnjaja V, Muslic-Ruzić D, Mandić V, Škrbić Z, Lukić M, Stanković S. Occurrence of moulds and mycotoxins in grass-legume silages influenced by nitrogen fertilization and phenological phase at harvest. in Romanian Biotechnological Letters. 2017;22(5):12907-12914.
conv_962 .
Bijelić, Zorica, Krnjaja, Vesna, Muslic-Ruzić, Dragana, Mandić, Violeta, Škrbić, Zdenka, Lukić, Miloš, Stanković, Slavica, "Occurrence of moulds and mycotoxins in grass-legume silages influenced by nitrogen fertilization and phenological phase at harvest" in Romanian Biotechnological Letters, 22, no. 5 (2017):12907-12914,
conv_962 .

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