TY  - JOUR
AU  - Dolovac, Nenad
AU  - Miletić, Novica
AU  - Trkulja, Nenad
AU  - Pfaf-Dolovac, Erika
AU  - Živković, Svetlana
AU  - Krstić, Branka
AU  - Bulajić, Aleksandra
PY  - 2011
UR  - https://plantarum.izbis.bg.ac.rs/handle/123456789/192
AB  - Peach rusty spot has regularly occurred in Serbia in recent years, causing significant economic losses in the production of late maturing cultivars (Summerset, Suncrest, Fayette and O'Henry). Concerns regarding the etiology of this disease have been solved using molecular identification and cross-pathogenicity tests, which have proved that peach rusty spot is caused by Podosphaera leucotricha. The usual recommended strategy for its control, by multiple treatments starting from petal fall phenophase, has not proved satisfactory in agro-ecological conditions in Serbia. After testing the fungicide efficacy, a three-year study was carried out to determine the precise treatment terms and make the control of P. leucotricha more efficient. The investigation was conducted in the conditions of natural infection in a Summerset cultivar orchard at the locality of Bela Crkva, during the period 2006-2008. Nine different variants of both single and mixed treatments were tested, covering six defined peach growth phenophases - from green top, until the phenophase of second fruit falling. In the conditions of high levels of natural infection in the control plots, in all three investigation years the most efficient was the variant in which kresoxim-methyl was applied three times: in green top, pink bud and full bloom phenophases (91.69 - 91.92%), followed by the variant of treatments in the phenophases of rose bud, full bloom and petal fall (86.3-87.87%) and the variant of two treatments, performed in the phenophases of pink bud and full bloom (79.3-83.09%). The other tested variants showed significantly lower efficiency. The results obtained could significantly contribute to better peach fruit production, without losses caused by peach rusty spot which is commercially very important disease in Serbia.
AB  - Rđasta mrežavost plodova breskve poslednjih godina u Srbiji redovno se javlja i u proizvodnji poznih sorti (Summerset, Suncrest, Fayette i O'Henry) nanoseći značajne ekonomske gubitke. Nedoumice u pogledu etiologije ove bolesti razrešene su na osnovu molekularne identifikacije i unakrsnih testova patogenosti čime je dokazano da rđastu mrežavost breskve izaziva Podosphaera leucotricha. Strategija kontrole P. leucotricha primenjena u svetu, po kojoj suzbijanje treba sprovoditi u višekratnim tretmanima od fenofaze precvetavanja, nije dala zadovoljavajuće rezultate u agroekološkim uslovima Srbije. Nakon izvršenih ispitivanja efikasnosti fungicida, obavljeno je trogodišnje istraživanje u cilju određivanja preciznih rokova tretiranja breskve radi uspostavljanja efikasne kontrole P. leucotricha. Ispitivanje je obavljeno u periodu od 2006. do 2008. godine, u zasadu breskve sorte Summerset, u uslovima prirodne zaraze na lokalitetu Bela Crkva. Testirano je devet različitih varijanti, koje su se sastojale iz kombinovanih i pojedinačnih tretiranja, tako da je pokriven period od šest definisanih fenofaza razvoja breskve, počevši od fenofaze zeleni vrh do fenofaze drugo opadanje plodova. U uslovima visokog nivoa prirodne zaraze u kontrolnim parcelama, najvišu efikasnost u sve tri godine ispitivanja ispoljila je varijanta u kojoj je kresoksim- metil primenjivan tri puta, u fenofazi zeleni vrh, roze pupoljak i cvetanje (91,69-91,92%), odmah zatim varijanta u kojoj su izvođeni tretmani u fenofazi roze pupoljak, cvetanje i precvetavanje (86,3-87,87%) i varijanta u okviru koje su bila vršena dva tretmana u fenofazi roze pupoljak i cvetanje (79,3-83,09%). Ostale varijante u ogledu ispoljile su znatno nižu efikasnost. Dobijeni rezultati značajno doprinose poboljšanom načinu proizvodnje breskve bez gubitaka izazvanih rđastom mrežavosti ploda, ekonomski sve značajnijeg oboljenja u Srbiji.
PB  - Institute of Pesticides and Environmental Protection
T2  - Pesticidi i fitomedicina
T1  - Optimal timing of fungicide applications for the control of Podosphaera leucotricha, the causal agent of peach rusty spot in Serbia
T1  - Optimalni rokovi primene fungicida za suzbijanje Podosphaera leucotricha, prouzrokovača rđaste mrežavosti plodova breskve u Srbiji
EP  - 346
IS  - 4
SP  - 337
VL  - 26
DO  - 10.2298/PIF1104337D
ER  - 

@article{
author = "Dolovac, Nenad and Miletić, Novica and Trkulja, Nenad and Pfaf-Dolovac, Erika and Živković, Svetlana and Krstić, Branka and Bulajić, Aleksandra",
year = "2011",
abstract = "Peach rusty spot has regularly occurred in Serbia in recent years, causing significant economic losses in the production of late maturing cultivars (Summerset, Suncrest, Fayette and O'Henry). Concerns regarding the etiology of this disease have been solved using molecular identification and cross-pathogenicity tests, which have proved that peach rusty spot is caused by Podosphaera leucotricha. The usual recommended strategy for its control, by multiple treatments starting from petal fall phenophase, has not proved satisfactory in agro-ecological conditions in Serbia. After testing the fungicide efficacy, a three-year study was carried out to determine the precise treatment terms and make the control of P. leucotricha more efficient. The investigation was conducted in the conditions of natural infection in a Summerset cultivar orchard at the locality of Bela Crkva, during the period 2006-2008. Nine different variants of both single and mixed treatments were tested, covering six defined peach growth phenophases - from green top, until the phenophase of second fruit falling. In the conditions of high levels of natural infection in the control plots, in all three investigation years the most efficient was the variant in which kresoxim-methyl was applied three times: in green top, pink bud and full bloom phenophases (91.69 - 91.92%), followed by the variant of treatments in the phenophases of rose bud, full bloom and petal fall (86.3-87.87%) and the variant of two treatments, performed in the phenophases of pink bud and full bloom (79.3-83.09%). The other tested variants showed significantly lower efficiency. The results obtained could significantly contribute to better peach fruit production, without losses caused by peach rusty spot which is commercially very important disease in Serbia., Rđasta mrežavost plodova breskve poslednjih godina u Srbiji redovno se javlja i u proizvodnji poznih sorti (Summerset, Suncrest, Fayette i O'Henry) nanoseći značajne ekonomske gubitke. Nedoumice u pogledu etiologije ove bolesti razrešene su na osnovu molekularne identifikacije i unakrsnih testova patogenosti čime je dokazano da rđastu mrežavost breskve izaziva Podosphaera leucotricha. Strategija kontrole P. leucotricha primenjena u svetu, po kojoj suzbijanje treba sprovoditi u višekratnim tretmanima od fenofaze precvetavanja, nije dala zadovoljavajuće rezultate u agroekološkim uslovima Srbije. Nakon izvršenih ispitivanja efikasnosti fungicida, obavljeno je trogodišnje istraživanje u cilju određivanja preciznih rokova tretiranja breskve radi uspostavljanja efikasne kontrole P. leucotricha. Ispitivanje je obavljeno u periodu od 2006. do 2008. godine, u zasadu breskve sorte Summerset, u uslovima prirodne zaraze na lokalitetu Bela Crkva. Testirano je devet različitih varijanti, koje su se sastojale iz kombinovanih i pojedinačnih tretiranja, tako da je pokriven period od šest definisanih fenofaza razvoja breskve, počevši od fenofaze zeleni vrh do fenofaze drugo opadanje plodova. U uslovima visokog nivoa prirodne zaraze u kontrolnim parcelama, najvišu efikasnost u sve tri godine ispitivanja ispoljila je varijanta u kojoj je kresoksim- metil primenjivan tri puta, u fenofazi zeleni vrh, roze pupoljak i cvetanje (91,69-91,92%), odmah zatim varijanta u kojoj su izvođeni tretmani u fenofazi roze pupoljak, cvetanje i precvetavanje (86,3-87,87%) i varijanta u okviru koje su bila vršena dva tretmana u fenofazi roze pupoljak i cvetanje (79,3-83,09%). Ostale varijante u ogledu ispoljile su znatno nižu efikasnost. Dobijeni rezultati značajno doprinose poboljšanom načinu proizvodnje breskve bez gubitaka izazvanih rđastom mrežavosti ploda, ekonomski sve značajnijeg oboljenja u Srbiji.",
publisher = "Institute of Pesticides and Environmental Protection",
journal = "Pesticidi i fitomedicina",
title = "Optimal timing of fungicide applications for the control of Podosphaera leucotricha, the causal agent of peach rusty spot in Serbia, Optimalni rokovi primene fungicida za suzbijanje Podosphaera leucotricha, prouzrokovača rđaste mrežavosti plodova breskve u Srbiji",
pages = "346-337",
number = "4",
volume = "26",
doi = "10.2298/PIF1104337D"
}

Dolovac, N., Miletić, N., Trkulja, N., Pfaf-Dolovac, E., Živković, S., Krstić, B.,& Bulajić, A.. (2011). Optimal timing of fungicide applications for the control of Podosphaera leucotricha, the causal agent of peach rusty spot in Serbia. in Pesticidi i fitomedicina
Institute of Pesticides and Environmental Protection., 26(4), 337-346.
https://doi.org/10.2298/PIF1104337D

Dolovac N, Miletić N, Trkulja N, Pfaf-Dolovac E, Živković S, Krstić B, Bulajić A. Optimal timing of fungicide applications for the control of Podosphaera leucotricha, the causal agent of peach rusty spot in Serbia. in Pesticidi i fitomedicina. 2011;26(4):337-346.
doi:10.2298/PIF1104337D .

Dolovac, Nenad, Miletić, Novica, Trkulja, Nenad, Pfaf-Dolovac, Erika, Živković, Svetlana, Krstić, Branka, Bulajić, Aleksandra, "Optimal timing of fungicide applications for the control of Podosphaera leucotricha, the causal agent of peach rusty spot in Serbia" in Pesticidi i fitomedicina, 26, no. 4 (2011):337-346,
https://doi.org/10.2298/PIF1104337D . .

TY  - JOUR
AU  - Dolovac, Nenad
AU  - Miletić, Novica
AU  - Aleksić, Goran
AU  - Savić, Dušan
AU  - Živković, Svetlana
AU  - Trkulja, Nenad
AU  - Bulajić, Aleksandra
PY  - 2010
UR  - https://plantarum.izbis.bg.ac.rs/handle/123456789/120
AB  - Rusty Spot has long been known as a harmful peach disease in many parts of the world. During the past several years, rusty spot infection of the late-maturing peach cultivars (Summerset, Suncrest, Fayette and O'Henry) caused significant yield losses in Serbia. Although the etiology of the disease is still unknown, there are numerous studies attempting to set a strategy for its control and recommend appropriate chemical and other peach protection methods. However, because of specific environmental conditions in Serbia, recommended protection method using repeated fungicide treatments, starting from petal fall, did not prove to be efficient and the rate of infection in some susceptible peach cultivars reached 100%. In 2003 and 2004 a field trial was conducted in order to test the efficacy of fungicides (a.i. kresoxim-methyl, flusilazole and sulfur) for the efficient control of Rusty Spot epidemics. The trial was carried out under conditions of natural infection on the peach cv. Summerset at the locality of Bela Crkva, Serbia. In the untreated control plots, high disease incidence was recorded with the percentage of affected fruit surface ranging from 33.5% in the first, up to the 35.4% in the second year of the trail. Among fungicides included in the trial, kresoxim-methyl proved to be the most efficient (90.25% in the first and 91.12% in the second year of the trial), flusilazole exhibited lower efficacy (87.28% and 80.61%, respectively) while sulfur was the least efficient (82.33% and 80.30%, respectively). Determination of the most efficient fungicide for the peach rusty spot control in Serbia provides basic information for further investigations which will include optimization of treatment terms, as well as additional agro-technical control measures.
AB  - Rđasta mrežavost plodova breskve odavno je poznato i ekonomski značajno oboljenje u mnogim delovima sveta. U Srbiji tokom proteklih godina ovo oboljenje nanosi značajne štete na poznim sortama breskve (Summerset, Suncrest, Fayette i O'Henry). Mada etiologija bolesti nije poznata, brojna istraživanja u mnogim delovima sveta pokušavaju da uspostave strategiju za kontrolu i preporuče odgovarajuće hemijske i druge metode zaštite breskve. U agroekološkim uslovima Srbije strategija primenjena u svetu, da suzbijanje prouzrokovača rđaste mrežavosti treba sprovoditi u višekratnim tretmanima od fenofaze precvetavanja, nije dala zadovoljavajuće rezultate. U pojedinim godinama zaraza plodova osetljivih sorti breskve dostiže 100%. U periodu od 2003. do 2004. godine, ispitivana je efikasnost tri fungicida (kresoksim-metil, fluzilazol i elementarni sumpor) u cilju iznalaženja mogućnosti uspešnije zaštite breskve od prouzrokovača rđaste mrežavosti plodova. Ogled je izveden na breskvi, sorte Summerset, u uslovima prirodne zaraze na lokalitetu Bela Crkva. Intenzitet zaraze rđaste mrežavosti plodova na osnovu procenta zahvaćene površine plodova, u kontrolnim parcelama kretao se od 33,5% u prvoj do 35,4% u drugoj godini ispitivanja. Tokom obe godine ispitivanja kresoksim-metil ispoljio je najveću efikasnost (90,25% u prvoj, odnosno 91,12% u drugoj godini ispitivanja), nižu fluzilazol (87,28%, odnosno 87,61%) i najnižu elementarni sumpor (82,33%, odnosno 80,30%). Određivanje fungicida sa najefikasnijim delovanjem prema prouzrokovaču rđaste mrežavosti plodova breskve u Srbiji predstavlja preduslov za dalja ispitivanja koja će uključiti pre svega optimizaciju rokova fungicidnih tretmana kao i određivanje drugih agrotehničkih mera kontrole.
PB  - Institute of Pesticides and Environmental Protection
T2  - Pesticidi i fitomedicina
T1  - Fungicide efficacy in peach rusty spot control in Serbia
T1  - Efikasnost fungicida za suzbijanje prouzrokovača rđaste mrežavosti plodova breskve u Srbiji
EP  - 249
IS  - 3
SP  - 241
VL  - 25
DO  - 10.2298/PIF1003241D
ER  - 

@article{
author = "Dolovac, Nenad and Miletić, Novica and Aleksić, Goran and Savić, Dušan and Živković, Svetlana and Trkulja, Nenad and Bulajić, Aleksandra",
year = "2010",
abstract = "Rusty Spot has long been known as a harmful peach disease in many parts of the world. During the past several years, rusty spot infection of the late-maturing peach cultivars (Summerset, Suncrest, Fayette and O'Henry) caused significant yield losses in Serbia. Although the etiology of the disease is still unknown, there are numerous studies attempting to set a strategy for its control and recommend appropriate chemical and other peach protection methods. However, because of specific environmental conditions in Serbia, recommended protection method using repeated fungicide treatments, starting from petal fall, did not prove to be efficient and the rate of infection in some susceptible peach cultivars reached 100%. In 2003 and 2004 a field trial was conducted in order to test the efficacy of fungicides (a.i. kresoxim-methyl, flusilazole and sulfur) for the efficient control of Rusty Spot epidemics. The trial was carried out under conditions of natural infection on the peach cv. Summerset at the locality of Bela Crkva, Serbia. In the untreated control plots, high disease incidence was recorded with the percentage of affected fruit surface ranging from 33.5% in the first, up to the 35.4% in the second year of the trail. Among fungicides included in the trial, kresoxim-methyl proved to be the most efficient (90.25% in the first and 91.12% in the second year of the trial), flusilazole exhibited lower efficacy (87.28% and 80.61%, respectively) while sulfur was the least efficient (82.33% and 80.30%, respectively). Determination of the most efficient fungicide for the peach rusty spot control in Serbia provides basic information for further investigations which will include optimization of treatment terms, as well as additional agro-technical control measures., Rđasta mrežavost plodova breskve odavno je poznato i ekonomski značajno oboljenje u mnogim delovima sveta. U Srbiji tokom proteklih godina ovo oboljenje nanosi značajne štete na poznim sortama breskve (Summerset, Suncrest, Fayette i O'Henry). Mada etiologija bolesti nije poznata, brojna istraživanja u mnogim delovima sveta pokušavaju da uspostave strategiju za kontrolu i preporuče odgovarajuće hemijske i druge metode zaštite breskve. U agroekološkim uslovima Srbije strategija primenjena u svetu, da suzbijanje prouzrokovača rđaste mrežavosti treba sprovoditi u višekratnim tretmanima od fenofaze precvetavanja, nije dala zadovoljavajuće rezultate. U pojedinim godinama zaraza plodova osetljivih sorti breskve dostiže 100%. U periodu od 2003. do 2004. godine, ispitivana je efikasnost tri fungicida (kresoksim-metil, fluzilazol i elementarni sumpor) u cilju iznalaženja mogućnosti uspešnije zaštite breskve od prouzrokovača rđaste mrežavosti plodova. Ogled je izveden na breskvi, sorte Summerset, u uslovima prirodne zaraze na lokalitetu Bela Crkva. Intenzitet zaraze rđaste mrežavosti plodova na osnovu procenta zahvaćene površine plodova, u kontrolnim parcelama kretao se od 33,5% u prvoj do 35,4% u drugoj godini ispitivanja. Tokom obe godine ispitivanja kresoksim-metil ispoljio je najveću efikasnost (90,25% u prvoj, odnosno 91,12% u drugoj godini ispitivanja), nižu fluzilazol (87,28%, odnosno 87,61%) i najnižu elementarni sumpor (82,33%, odnosno 80,30%). Određivanje fungicida sa najefikasnijim delovanjem prema prouzrokovaču rđaste mrežavosti plodova breskve u Srbiji predstavlja preduslov za dalja ispitivanja koja će uključiti pre svega optimizaciju rokova fungicidnih tretmana kao i određivanje drugih agrotehničkih mera kontrole.",
publisher = "Institute of Pesticides and Environmental Protection",
journal = "Pesticidi i fitomedicina",
title = "Fungicide efficacy in peach rusty spot control in Serbia, Efikasnost fungicida za suzbijanje prouzrokovača rđaste mrežavosti plodova breskve u Srbiji",
pages = "249-241",
number = "3",
volume = "25",
doi = "10.2298/PIF1003241D"
}

Dolovac, N., Miletić, N., Aleksić, G., Savić, D., Živković, S., Trkulja, N.,& Bulajić, A.. (2010). Fungicide efficacy in peach rusty spot control in Serbia. in Pesticidi i fitomedicina
Institute of Pesticides and Environmental Protection., 25(3), 241-249.
https://doi.org/10.2298/PIF1003241D

Dolovac N, Miletić N, Aleksić G, Savić D, Živković S, Trkulja N, Bulajić A. Fungicide efficacy in peach rusty spot control in Serbia. in Pesticidi i fitomedicina. 2010;25(3):241-249.
doi:10.2298/PIF1003241D .

Dolovac, Nenad, Miletić, Novica, Aleksić, Goran, Savić, Dušan, Živković, Svetlana, Trkulja, Nenad, Bulajić, Aleksandra, "Fungicide efficacy in peach rusty spot control in Serbia" in Pesticidi i fitomedicina, 25, no. 3 (2010):241-249,
https://doi.org/10.2298/PIF1003241D . .