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The Critical Period ofWeed Control Influences Sunflower (Helianthus annuus L.) Yield, Yield Components but Not Oil Content
AGRONOMY-BASEL, 13 (2023), 8; 2008. https://doi.org/10.3390/agronomy13082008
Štefanić, Edita; Rašić, Sanda; Lucić, Pavo; Zimmer, Domagoj; Mijić, A.; Antunović, S.; Japundžić-Palenkić, B.; Lukačević, M.; Zima, D.; Stefanić, Ivan

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Štefanić, E., Rašić, S., Lucić, P., Zimmer, D., Mijić, A., Antunović, S. ... Stefanić, I. (2023). The Critical Period ofWeed Control Influences Sunflower (Helianthus annuus L.) Yield, Yield Components but Not Oil Content. AGRONOMY-BASEL, 13. (8). doi: 10.3390/agronomy13082008

Štefanić, Edita, et al. "The Critical Period ofWeed Control Influences Sunflower (Helianthus annuus L.) Yield, Yield Components but Not Oil Content." AGRONOMY-BASEL, vol. 13, br. 8, 2023. https://doi.org/10.3390/agronomy13082008

Štefanić, Edita, Sanda Rašić, Pavo Lucić, Domagoj Zimmer, A. Mijić, S. Antunović, B. Japundžić Palenkić, M. Lukačević, D. Zima i Ivan Stefanić. "The Critical Period ofWeed Control Influences Sunflower (Helianthus annuus L.) Yield, Yield Components but Not Oil Content." AGRONOMY-BASEL 13, br. 8 (2023). https://doi.org/10.3390/agronomy13082008

Štefanić, E., et al. (2023) 'The Critical Period ofWeed Control Influences Sunflower (Helianthus annuus L.) Yield, Yield Components but Not Oil Content', AGRONOMY-BASEL, 13(8). doi: 10.3390/agronomy13082008

Štefanić E, Rašić S, Lucić P, Zimmer D, Mijić A, Antunović S, i sur.. The Critical Period ofWeed Control Influences Sunflower (Helianthus annuus L.) Yield, Yield Components but Not Oil Content. AGRONOMY-BASEL [Internet]. 28.07.2023. [pristupljeno 21.06.2024.];13(8). doi: 10.3390/agronomy13082008

E. Štefanić, et al., "The Critical Period ofWeed Control Influences Sunflower (Helianthus annuus L.) Yield, Yield Components but Not Oil Content", AGRONOMY-BASEL, vol. 13, br. 8, Srpanj 2023. [Online]. Dostupno na: https://urn.nsk.hr/urn:nbn:hr:151:495104. [Citirano: 21.06.2024.]

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Naslov (engleski)The Critical Period ofWeed Control Influences Sunflower (Helianthus annuus L.) Yield, Yield Components but Not Oil Content
AutorEdita Štefanić
AutorSanda Rašić
AutorPavo Lucić
AutorDomagoj Zimmer
AutorA. Mijić
AutorS. Antunović
AutorB. Japundžić-Palenkić
AutorM. Lukačević
AutorD. Zima
AutorIvan Stefanić
Autorova ustanovaSveučilište Josipa Jurja Strossmayera u Osijeku
Fakultet agrobiotehničkih znanosti Osijek
(Zavod za fitomedicinu)
Znanstveno / umjetničko
područje, polje i grana		BIOTEHNIČKE ZNANOSTI
Poljoprivreda (agronomija)
Ekologija i zaštita okoliša
Sažetak (engleski)
Field studies were conducted in the northeastern part of the Republic of Croatia to determine the influence of the critical period of weed interference on sunflower (Helianthus annuus) yield, yield components, and oil content. For this purpose, different durations of competition were established, allowing weeds to infest the crop for increasing periods of time after planting or maintaining plots weed-free for increasing periods of time after planting. The beginning and the end of the critical period of weed control (CPWC), based on a 5% and 10% loss of sunflower yield, were determined by fitting the four-parameter log-logistic equations to the relative seed yield. The total weed biomass increased progressively in relation to the increase in the competition. The beginning of the CPWC period, based on a 5% acceptable yield loss, ranged from 141 to 234 growing degree days (GDD), which corresponded to the two-to-four true leaf development stage (the V2–V4 growth stages) across both sites and years. The crop had to be kept weed-free until a period when sunflower inflorescence began to open and flower (the R4–R5 growth stage) or from 1365 to 1932 GDD. The sunflower yield and yield components varied between the years and among locations. An increasing duration of weed interference negatively affected crop height, head diameter, and 1000-kernel weight, but not seed oil content.
Ključne riječi (engleski)
Jezikengleski
Vrsta publikacijeZnanstveni rad - Izvorni znanstveni rad
Status objaveObjavljen
Vrsta recenzijeRecenziran - domaća recenzija
Verzija publikacijeObjavljena verzija rada (izdavačev PDF)
Naslov časopisaAGRONOMY-BASEL
Brojčani podacivol. 13, br. 8, 2008
e-ISSN2073-4395
DOIhttps://doi.org/10.3390/agronomy13082008
URN:NBNurn:nbn:hr:151:495104
Datum objave publikacije2023-07-28
URL dokumentahttps://www.mdpi.com/2073-4395/13/8/2008
Vrsta resursaTekst
Prava pristupaOtvoreni pristup
Uvjeti korištenjaIkona licence Zaštićeno autorskim pravom.
Datum i vrijeme pohrane2024-06-06 11:43:58