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The effectiveness of potassium phosphite and captan mixture in controlling Venturia inaequalis in apple orchards

Efikasnost mešavine kalijum fosfita i kaptana u suzbijanju Venturia inaequalis u jabučnjacima

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2014
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Authors
Aleksić, Goran
Popović, Tatjana
Starović, Mira
Kuzmanović, Slobodan
Dolovac, Nenad
Jošić, Dragana
Gavrilović, Veljko
Article (Published version)
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Abstract
Venturia inaequalis is a common apple disease in Serbia and its intensity depends on weather conditions. The most successful method of combating apple scab is to use a lower dose of an active ingredient and increase its effectiveness by adding substances that do not cause environmental damage. The effectiveness of a fungicide mixture of captan and potassium phosphite against V. inaequalis was investigated in apple orchards in 2008 and 2009. A relevant EPPO standard method was used in all trials. Captan 50 WP was used as a standard fungicide. In order to determine the exact conditions marking the onset of apple infection, key meteorological conditions were monitored in the orchards using an automated iMetos weather station and a Lufft electronic instrument. The results showed high efficacy of the tested fungicides which remained similar in both years of investigation. The intensity of leaf infection after treatment with the mixture of captan and potassium phosphite was 0.7-2.4%, while f...ruit infection was 0.5-3.0%. The efficacy of this mixture ranged from 96.3-97.9% on leaves and 87.4-98.7% on fruits. The standard fungicide Captan 50 WP showed an efficacy ranging from 95.3-96.7% on leaves and from 87.8-99.3% on fruits. No statistically significant differences were found between the fungicide tested and the standard fungicide.

Venturia inaequalis je široko rasprostranjena bolest jabuke u Srbiji, a njen intenzitet zavisi od vremenskih uslova. Najuspešniji metod borbe protiv čađave krastavosti jabuke je korišćenje manjih doza aktivnih materija uz istovremeno povećavanje efikasnosti dodavanjem supstanci koje ne prouzrokuju štetu u životnoj sredini. Tokom 2008 i 2009 godine, proučavana je efikasnost fungicidne mešavine kaptana i kalijum fosfita protiv V. inaequalis u jabučnjacima. U svim ogledima je korišćen standardni EPPO metod. Captan 50 WP je korišćen kao standardni fungicid. Kako bi se tačno odredili uslovi za početak zaraze na jabuci, praćeni su osnovni meteorološki parametri u voćnjacima pomoću iMetos stanice i elektronskog uređaja Lufft. Rezultati su pokazali visoku efikasnost testiranih fungicida koja je bila slična u obe godine istraživanja. Intenzitet zaraze lista nakon tretmana mešavinom kaptana i kalijum fosfita bio je 0.7-2.4%, dok je zaraženost plodova bila 0.5-3.0%. Efikasnost mešavine bila je 96....3-97.9% na listovima, a 87.4-98.7% na plodovima. Standardni fungicid Captan 50 WP pokazao je efikasnost u opsegu 95.3-96.7% na listovima i 87.8-99.3% na plodovima. Nisu konstatovane statistički značajne razlike između ispitivanog i standardnog fungicida.

Keywords:
Apple scab / Potassium-phosphite / Captan / Effectiveness / čađava krastavost jabuke / kalijum fosfit / kaptan / efekasnost
Source:
Pesticidi i fitomedicina, 2014, 29, 2, 137-143
Publisher:
  • Institute of Pesticides and Environmental Protection
Funding / projects:
  • Development of integrated approach in plant protection for control harmful organisms (RS-31018)
  • New indigenous bacterial isolates Lysobacter and Pseudomonas as an important source of metabolites useful for biotechnology, plant growth stimulation and disease control: from isolates to inoculants (RS-46007)

DOI: 10.2298/PIF1402137A

ISSN: 1820-3949

[ Google Scholar ]
URI
https://plantarum.izbis.bg.ac.rs/handle/123456789/364
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
IZBIS
TY  - JOUR
AU  - Aleksić, Goran
AU  - Popović, Tatjana
AU  - Starović, Mira
AU  - Kuzmanović, Slobodan
AU  - Dolovac, Nenad
AU  - Jošić, Dragana
AU  - Gavrilović, Veljko
PY  - 2014
UR  - https://plantarum.izbis.bg.ac.rs/handle/123456789/364
AB  - Venturia inaequalis is a common apple disease in Serbia and its intensity depends on weather conditions. The most successful method of combating apple scab is to use a lower dose of an active ingredient and increase its effectiveness by adding substances that do not cause environmental damage. The effectiveness of a fungicide mixture of captan and potassium phosphite against V. inaequalis was investigated in apple orchards in 2008 and 2009. A relevant EPPO standard method was used in all trials. Captan 50 WP was used as a standard fungicide. In order to determine the exact conditions marking the onset of apple infection, key meteorological conditions were monitored in the orchards using an automated iMetos weather station and a Lufft electronic instrument. The results showed high efficacy of the tested fungicides which remained similar in both years of investigation. The intensity of leaf infection after treatment with the mixture of captan and potassium phosphite was 0.7-2.4%, while fruit infection was 0.5-3.0%. The efficacy of this mixture ranged from 96.3-97.9% on leaves and 87.4-98.7% on fruits. The standard fungicide Captan 50 WP showed an efficacy ranging from 95.3-96.7% on leaves and from 87.8-99.3% on fruits. No statistically significant differences were found between the fungicide tested and the standard fungicide.
AB  - Venturia inaequalis je široko rasprostranjena bolest jabuke u Srbiji, a njen intenzitet zavisi od vremenskih uslova. Najuspešniji metod borbe protiv čađave krastavosti jabuke je korišćenje manjih doza aktivnih materija uz istovremeno povećavanje efikasnosti dodavanjem supstanci koje ne prouzrokuju štetu u životnoj sredini. Tokom 2008 i 2009 godine, proučavana je efikasnost fungicidne mešavine kaptana i kalijum fosfita protiv V. inaequalis u jabučnjacima. U svim ogledima je korišćen standardni EPPO metod. Captan 50 WP je korišćen kao standardni fungicid. Kako bi se tačno odredili uslovi za početak zaraze na jabuci, praćeni su osnovni meteorološki parametri u voćnjacima pomoću iMetos stanice i elektronskog uređaja Lufft. Rezultati su pokazali visoku efikasnost testiranih fungicida koja je bila slična u obe godine istraživanja. Intenzitet zaraze lista nakon tretmana mešavinom kaptana i kalijum fosfita bio je 0.7-2.4%, dok je zaraženost plodova bila 0.5-3.0%. Efikasnost mešavine bila je 96.3-97.9% na listovima, a 87.4-98.7% na plodovima. Standardni fungicid Captan 50 WP pokazao je efikasnost u opsegu 95.3-96.7% na listovima i 87.8-99.3% na plodovima. Nisu konstatovane statistički značajne razlike između ispitivanog i standardnog fungicida.
PB  - Institute of Pesticides and Environmental Protection
T2  - Pesticidi i fitomedicina
T1  - The effectiveness of potassium phosphite and captan mixture in controlling Venturia inaequalis in apple orchards
T1  - Efikasnost mešavine kalijum fosfita i kaptana u suzbijanju Venturia inaequalis u jabučnjacima
EP  - 143
IS  - 2
SP  - 137
VL  - 29
DO  - 10.2298/PIF1402137A
ER  - 
@article{
author = "Aleksić, Goran and Popović, Tatjana and Starović, Mira and Kuzmanović, Slobodan and Dolovac, Nenad and Jošić, Dragana and Gavrilović, Veljko",
year = "2014",
abstract = "Venturia inaequalis is a common apple disease in Serbia and its intensity depends on weather conditions. The most successful method of combating apple scab is to use a lower dose of an active ingredient and increase its effectiveness by adding substances that do not cause environmental damage. The effectiveness of a fungicide mixture of captan and potassium phosphite against V. inaequalis was investigated in apple orchards in 2008 and 2009. A relevant EPPO standard method was used in all trials. Captan 50 WP was used as a standard fungicide. In order to determine the exact conditions marking the onset of apple infection, key meteorological conditions were monitored in the orchards using an automated iMetos weather station and a Lufft electronic instrument. The results showed high efficacy of the tested fungicides which remained similar in both years of investigation. The intensity of leaf infection after treatment with the mixture of captan and potassium phosphite was 0.7-2.4%, while fruit infection was 0.5-3.0%. The efficacy of this mixture ranged from 96.3-97.9% on leaves and 87.4-98.7% on fruits. The standard fungicide Captan 50 WP showed an efficacy ranging from 95.3-96.7% on leaves and from 87.8-99.3% on fruits. No statistically significant differences were found between the fungicide tested and the standard fungicide., Venturia inaequalis je široko rasprostranjena bolest jabuke u Srbiji, a njen intenzitet zavisi od vremenskih uslova. Najuspešniji metod borbe protiv čađave krastavosti jabuke je korišćenje manjih doza aktivnih materija uz istovremeno povećavanje efikasnosti dodavanjem supstanci koje ne prouzrokuju štetu u životnoj sredini. Tokom 2008 i 2009 godine, proučavana je efikasnost fungicidne mešavine kaptana i kalijum fosfita protiv V. inaequalis u jabučnjacima. U svim ogledima je korišćen standardni EPPO metod. Captan 50 WP je korišćen kao standardni fungicid. Kako bi se tačno odredili uslovi za početak zaraze na jabuci, praćeni su osnovni meteorološki parametri u voćnjacima pomoću iMetos stanice i elektronskog uređaja Lufft. Rezultati su pokazali visoku efikasnost testiranih fungicida koja je bila slična u obe godine istraživanja. Intenzitet zaraze lista nakon tretmana mešavinom kaptana i kalijum fosfita bio je 0.7-2.4%, dok je zaraženost plodova bila 0.5-3.0%. Efikasnost mešavine bila je 96.3-97.9% na listovima, a 87.4-98.7% na plodovima. Standardni fungicid Captan 50 WP pokazao je efikasnost u opsegu 95.3-96.7% na listovima i 87.8-99.3% na plodovima. Nisu konstatovane statistički značajne razlike između ispitivanog i standardnog fungicida.",
publisher = "Institute of Pesticides and Environmental Protection",
journal = "Pesticidi i fitomedicina",
title = "The effectiveness of potassium phosphite and captan mixture in controlling Venturia inaequalis in apple orchards, Efikasnost mešavine kalijum fosfita i kaptana u suzbijanju Venturia inaequalis u jabučnjacima",
pages = "143-137",
number = "2",
volume = "29",
doi = "10.2298/PIF1402137A"
}
Aleksić, G., Popović, T., Starović, M., Kuzmanović, S., Dolovac, N., Jošić, D.,& Gavrilović, V.. (2014). The effectiveness of potassium phosphite and captan mixture in controlling Venturia inaequalis in apple orchards. in Pesticidi i fitomedicina
Institute of Pesticides and Environmental Protection., 29(2), 137-143.
https://doi.org/10.2298/PIF1402137A
Aleksić G, Popović T, Starović M, Kuzmanović S, Dolovac N, Jošić D, Gavrilović V. The effectiveness of potassium phosphite and captan mixture in controlling Venturia inaequalis in apple orchards. in Pesticidi i fitomedicina. 2014;29(2):137-143.
doi:10.2298/PIF1402137A .
Aleksić, Goran, Popović, Tatjana, Starović, Mira, Kuzmanović, Slobodan, Dolovac, Nenad, Jošić, Dragana, Gavrilović, Veljko, "The effectiveness of potassium phosphite and captan mixture in controlling Venturia inaequalis in apple orchards" in Pesticidi i fitomedicina, 29, no. 2 (2014):137-143,
https://doi.org/10.2298/PIF1402137A . .

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