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The influence of the spraying pressure of an injector asymmetric double nozzle with variable flow on head fungicide coverage, yield, grain quality, and deoxynivalenol content in winter wheat
ID Vučajnk, Filip (Avtor), ID Trdan, Stanislav (Avtor), ID Košir, Iztok Jože (Avtor), ID Ocvirk, Miha (Avtor), ID Šantić, Mihovil (Avtor), ID Žerjav, Metka (Avtor), ID Šantavec, Igor (Avtor), ID Bernik, Rajko (Avtor), ID Vidrih, Matej (Avtor)

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Izvleček
Spraying parameters are important factors when spraying wheat heads against fusarium head blight (FHB) to control the deoxynivalenol level in the grain and to obtain high and quality yields. In 2019 and 2020, field trials were conducted in order to establish the effect of the spraying pressure (2 bar, 4 bar, and 6 bar) of special nozzles with a variable flow rate Agrotop VR 1.5 on the head fungicide coverage, yield parameters, and the deoxynivalenol (DON) value in the grain. The coverage of the front and rear sides of wheat heads increased with the increase of spraying pressure from 2 to 6 bar. In 2019, when the infection with FHB was more severe, no significant differences appeared in the yield and the hectoliter weight at a lower spraying pressure, while the DON value at this pressure approached the maximum permissible level. In that year, the DON value exponentially fell with the increase of spraying pressure. In 2019, the thousand grain weight was higher at the spraying pressure of 6 bar than at the pressures of 2 and 4 bar. The results show that also a lower spraying pressure (2 bar) and a volume application rate (117 L/ha) below the recommended one suffice to retain the DON value in the grain below the maximum permissible level, even in years with more severe infection.

Jezik:Angleški jezik
Ključne besede:fusarium head blight, F. graminearum, nozzles, DON, yield, grain quality, spraying pressure
Vrsta gradiva:Članek v reviji
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:BF - Biotehniška fakulteta
Status publikacije:Objavljeno
Različica publikacije:Objavljena publikacija
Leto izida:2021
Št. strani:17 str.
Številčenje:Vol. 11, iss. 1, art. 43
PID:20.500.12556/RUL-134802 Povezava se odpre v novem oknu
UDK:631
ISSN pri članku:2073-4395
DOI:10.3390/agronomy11010043 Povezava se odpre v novem oknu
COBISS.SI-ID:44635395 Povezava se odpre v novem oknu
Datum objave v RUL:02.02.2022
Število ogledov:525
Število prenosov:120
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
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Gradivo je del revije

Naslov:Agronomy
Skrajšan naslov:Agronomy
Založnik:MDPI
ISSN:2073-4395
COBISS.SI-ID:522953241 Povezava se odpre v novem oknu

Licence

Licenca:CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
Začetek licenciranja:01.01.2021

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:varstvo rastlin, škropljenje, tlak pršenja, Fusarium graminearum, ozimna pšenica, pridelek, šobe, kakovost pridelka

Projekti

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:P4-0092
Naslov:Zdravje živali, okolje in varna hrana

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