Effects of nicosulfuron application timing on weeds and sweet maize crop
Uticaj vremena primene nikosulfurona na korove i usev kukuruza šećerca
Abstract
The effect of nicosulfuron application timing on weeds and sweet maize hybrid (ZPSC 504su) was studied. The herbicide was applied according to the recommended rate for commercial maize on four dates of applications. Weed plants abundance (the number of species, the number of plants per species and fresh biomass) was evaluated for each weed species for each herbicide application date, and at the end, the total dry weight of weeds per a variant was estimated. The herbicide application on all four dates over both years reduced the number of weed species and the number of weed plants per species. Effects of the applied herbicide differed over years due to differences in meteorological conditions. The ear length of the studied sweet maize hybrid statistically significantly differed in the herbicide application date and investigation year interaction. Weed suppression with the aim to obtain the planned yields of sweet maize has an important role. Nevertheless, different susceptibility of swe...et maize to herbicides points out to cautiousness in their application.
Ispitivan je uticaj vremenskih rokova primene nikosulfurona na korove i hibrid kukuruza šećerca (ZPSC 504su). Herbicid je primenjen u preporučenoj količini (500 g a.m. ha-1) za merkantilni kukuruz, u četiri vremenska roka primene herbicida (V.R). Kod korova je ocenjivana brojna zastupljenost (broj vrsta, broj jedinki i sveza masa) svake vrste korova u svakom vremenskom roku primene herbicida, a na kraju obračunata ukupna suva masa korova po varijanti. Kod kukuruza je u 1997. godini merena sveza biomasa celih biljaka kukuruza, s dužina i težina klipova ispitivanog hibrida kukuruza šećerca u vreme tehnološke zrelosti merena je u obe godine. Dobijeni rezultati su statistički obrađeni metodom analize varijanse i analizirani LSD testom. Primena herbicida u sva četiri vremenska roka, u obe godine, uticala je na smanjenje broja vrsta i jedinki korova. Međutim, zbog razlika u meteorološkim uslovima godina, efekat primenjenog herbicida na korove nije bio isti u obe godine. Biomasa kukuruza se u... 1997. godini statistički značajno razlikovala u zavisnosti od vremena primene herbicida, pri čemu se i suva masa korova smanjivala. Dužina klipa ispitivanog hibrida šećerca se statistički značajno razlikovala u interakciji faktora vremenski rok primene herbicida i godine ispitivanja. Težina klipova kukuruza šećerca u fazi tehnološke zrelosti je u prošeku za obe godine značajno manja na kontroli. Dobijeni rezultati ukazuju na činjenicu da suzbijanje korova u postizanju planiranih prinosa kukuruza šećerca ima važnu ulogu. Ako se pri tome ima u vidu variranje klimatskih uslova, onda je pravovremena primena herbicida veoma važna. Pri svemu tome različita osetljivost kukuruza šećerca prema herbicidima ukazuje na opreznost pri njihovoj primeni.
Keywords:
sweet maize / weeds / nicosulfuron / response to herbicideSource:
Acta herbologica, 2005, 14, 1, 23-31Publisher:
- Herbološko društvo Srbije
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Institution/Community
MRIZPTY - JOUR AU - Stefanović, Lidija AU - Simić, Milena AU - Pajić, Zorica PY - 2005 UR - http://rik.mrizp.rs/handle/123456789/103 AB - The effect of nicosulfuron application timing on weeds and sweet maize hybrid (ZPSC 504su) was studied. The herbicide was applied according to the recommended rate for commercial maize on four dates of applications. Weed plants abundance (the number of species, the number of plants per species and fresh biomass) was evaluated for each weed species for each herbicide application date, and at the end, the total dry weight of weeds per a variant was estimated. The herbicide application on all four dates over both years reduced the number of weed species and the number of weed plants per species. Effects of the applied herbicide differed over years due to differences in meteorological conditions. The ear length of the studied sweet maize hybrid statistically significantly differed in the herbicide application date and investigation year interaction. Weed suppression with the aim to obtain the planned yields of sweet maize has an important role. Nevertheless, different susceptibility of sweet maize to herbicides points out to cautiousness in their application. AB - Ispitivan je uticaj vremenskih rokova primene nikosulfurona na korove i hibrid kukuruza šećerca (ZPSC 504su). Herbicid je primenjen u preporučenoj količini (500 g a.m. ha-1) za merkantilni kukuruz, u četiri vremenska roka primene herbicida (V.R). Kod korova je ocenjivana brojna zastupljenost (broj vrsta, broj jedinki i sveza masa) svake vrste korova u svakom vremenskom roku primene herbicida, a na kraju obračunata ukupna suva masa korova po varijanti. Kod kukuruza je u 1997. godini merena sveza biomasa celih biljaka kukuruza, s dužina i težina klipova ispitivanog hibrida kukuruza šećerca u vreme tehnološke zrelosti merena je u obe godine. Dobijeni rezultati su statistički obrađeni metodom analize varijanse i analizirani LSD testom. Primena herbicida u sva četiri vremenska roka, u obe godine, uticala je na smanjenje broja vrsta i jedinki korova. Međutim, zbog razlika u meteorološkim uslovima godina, efekat primenjenog herbicida na korove nije bio isti u obe godine. Biomasa kukuruza se u 1997. godini statistički značajno razlikovala u zavisnosti od vremena primene herbicida, pri čemu se i suva masa korova smanjivala. Dužina klipa ispitivanog hibrida šećerca se statistički značajno razlikovala u interakciji faktora vremenski rok primene herbicida i godine ispitivanja. Težina klipova kukuruza šećerca u fazi tehnološke zrelosti je u prošeku za obe godine značajno manja na kontroli. Dobijeni rezultati ukazuju na činjenicu da suzbijanje korova u postizanju planiranih prinosa kukuruza šećerca ima važnu ulogu. Ako se pri tome ima u vidu variranje klimatskih uslova, onda je pravovremena primena herbicida veoma važna. Pri svemu tome različita osetljivost kukuruza šećerca prema herbicidima ukazuje na opreznost pri njihovoj primeni. PB - Herbološko društvo Srbije T2 - Acta herbologica T1 - Effects of nicosulfuron application timing on weeds and sweet maize crop T1 - Uticaj vremena primene nikosulfurona na korove i usev kukuruza šećerca VL - 14 IS - 1 SP - 23 EP - 31 UR - https://hdl.handle.net/21.15107/rcub_rik_103 ER -
@article{ author = "Stefanović, Lidija and Simić, Milena and Pajić, Zorica", year = "2005", abstract = "The effect of nicosulfuron application timing on weeds and sweet maize hybrid (ZPSC 504su) was studied. The herbicide was applied according to the recommended rate for commercial maize on four dates of applications. Weed plants abundance (the number of species, the number of plants per species and fresh biomass) was evaluated for each weed species for each herbicide application date, and at the end, the total dry weight of weeds per a variant was estimated. The herbicide application on all four dates over both years reduced the number of weed species and the number of weed plants per species. Effects of the applied herbicide differed over years due to differences in meteorological conditions. The ear length of the studied sweet maize hybrid statistically significantly differed in the herbicide application date and investigation year interaction. Weed suppression with the aim to obtain the planned yields of sweet maize has an important role. Nevertheless, different susceptibility of sweet maize to herbicides points out to cautiousness in their application., Ispitivan je uticaj vremenskih rokova primene nikosulfurona na korove i hibrid kukuruza šećerca (ZPSC 504su). Herbicid je primenjen u preporučenoj količini (500 g a.m. ha-1) za merkantilni kukuruz, u četiri vremenska roka primene herbicida (V.R). Kod korova je ocenjivana brojna zastupljenost (broj vrsta, broj jedinki i sveza masa) svake vrste korova u svakom vremenskom roku primene herbicida, a na kraju obračunata ukupna suva masa korova po varijanti. Kod kukuruza je u 1997. godini merena sveza biomasa celih biljaka kukuruza, s dužina i težina klipova ispitivanog hibrida kukuruza šećerca u vreme tehnološke zrelosti merena je u obe godine. Dobijeni rezultati su statistički obrađeni metodom analize varijanse i analizirani LSD testom. Primena herbicida u sva četiri vremenska roka, u obe godine, uticala je na smanjenje broja vrsta i jedinki korova. Međutim, zbog razlika u meteorološkim uslovima godina, efekat primenjenog herbicida na korove nije bio isti u obe godine. Biomasa kukuruza se u 1997. godini statistički značajno razlikovala u zavisnosti od vremena primene herbicida, pri čemu se i suva masa korova smanjivala. Dužina klipa ispitivanog hibrida šećerca se statistički značajno razlikovala u interakciji faktora vremenski rok primene herbicida i godine ispitivanja. Težina klipova kukuruza šećerca u fazi tehnološke zrelosti je u prošeku za obe godine značajno manja na kontroli. Dobijeni rezultati ukazuju na činjenicu da suzbijanje korova u postizanju planiranih prinosa kukuruza šećerca ima važnu ulogu. Ako se pri tome ima u vidu variranje klimatskih uslova, onda je pravovremena primena herbicida veoma važna. Pri svemu tome različita osetljivost kukuruza šećerca prema herbicidima ukazuje na opreznost pri njihovoj primeni.", publisher = "Herbološko društvo Srbije", journal = "Acta herbologica", title = "Effects of nicosulfuron application timing on weeds and sweet maize crop, Uticaj vremena primene nikosulfurona na korove i usev kukuruza šećerca", volume = "14", number = "1", pages = "23-31", url = "https://hdl.handle.net/21.15107/rcub_rik_103" }
Stefanović, L., Simić, M.,& Pajić, Z.. (2005). Effects of nicosulfuron application timing on weeds and sweet maize crop. in Acta herbologica Herbološko društvo Srbije., 14(1), 23-31. https://hdl.handle.net/21.15107/rcub_rik_103
Stefanović L, Simić M, Pajić Z. Effects of nicosulfuron application timing on weeds and sweet maize crop. in Acta herbologica. 2005;14(1):23-31. https://hdl.handle.net/21.15107/rcub_rik_103 .
Stefanović, Lidija, Simić, Milena, Pajić, Zorica, "Effects of nicosulfuron application timing on weeds and sweet maize crop" in Acta herbologica, 14, no. 1 (2005):23-31, https://hdl.handle.net/21.15107/rcub_rik_103 .