TY  - JOUR
AU  - Bulajic, Aleksandra
AU  - Djekic, Ivana
AU  - Jović, Jelena
AU  - Krnjajić, Slobodan
AU  - Vucurović, Ana B
AU  - Krstic, Branka
PY  - 2010
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/413
AB  - In a survey to determine the presence of Phytophthora ramorum in Serbia, ornamentals from garden centers, nurseries, and private and public gardens, as well as imported plant material, were inspected. In total, 577 plant, soil, and potting media samples were tested using various detection methods: lateral flow diagnostic test, enzyme-linked immunosorbent assay, conventional polymerase chain reaction, and isolation, followed by identification based on growth characteristics in culture and morphological features. P. ramorum was not detected in any of the 162 soil or potting media tested by the baiting method. P. ramorum was detected in 12 Rhododendron samples from one private garden in Zemun (City of Belgrade District) exhibiting symptoms of leaf necrosis and blight and petiole necrosis, and in three samples of Pieris spp. from one garden center exhibiting symptoms of leaf necrosis. Eight Phytophthora isolates were obtained from the positive Rhododendron plants and three isolates from Pieris plants, and all were identified as P. ramorum on the basis of their uniform morphological and growth characteristics. P. ramorum conformation was also made by sequencing of the internal transcribed spacer regions for a single isolate taken from one infected rhododendron and one pieris plant. Serbian isolates were determined as A1 mating type, due to formation of a few typical sexual structures when crossed with the A2 mating type of P. cinnamomi and P. cryptogea. Pathogenicity test on non-wounded detached leaves of 19 popular ornamentals, as well as the most frequently imported ones, revealed that 10 host species were susceptible, including Robinia pseudoacacia, which is widely distributed in Serbia. During this study, Cotoneaster horizontalis and C. dammeri were determined to be new experimental hosts of P ramorum. This article provides evidence of P. ramorum introduction into Serbia. Although P. ramorum has not been detected in Serbian production nurseries, its presence outdoors might cause severe damages on susceptible common urban plants in public green and natural ecosystems.
PB  - Amer Phytopathological Soc, St Paul
T2  - Plant Disease
T1  - Phytophthora ramorum Occurrence in Ornamentals in Serbia
EP  - 708
IS  - 6
SP  - 703
VL  - 94
DO  - 10.1094/PDIS-94-6-0703
ER  - 

@article{
author = "Bulajic, Aleksandra and Djekic, Ivana and Jović, Jelena and Krnjajić, Slobodan and Vucurović, Ana B and Krstic, Branka",
year = "2010",
abstract = "In a survey to determine the presence of Phytophthora ramorum in Serbia, ornamentals from garden centers, nurseries, and private and public gardens, as well as imported plant material, were inspected. In total, 577 plant, soil, and potting media samples were tested using various detection methods: lateral flow diagnostic test, enzyme-linked immunosorbent assay, conventional polymerase chain reaction, and isolation, followed by identification based on growth characteristics in culture and morphological features. P. ramorum was not detected in any of the 162 soil or potting media tested by the baiting method. P. ramorum was detected in 12 Rhododendron samples from one private garden in Zemun (City of Belgrade District) exhibiting symptoms of leaf necrosis and blight and petiole necrosis, and in three samples of Pieris spp. from one garden center exhibiting symptoms of leaf necrosis. Eight Phytophthora isolates were obtained from the positive Rhododendron plants and three isolates from Pieris plants, and all were identified as P. ramorum on the basis of their uniform morphological and growth characteristics. P. ramorum conformation was also made by sequencing of the internal transcribed spacer regions for a single isolate taken from one infected rhododendron and one pieris plant. Serbian isolates were determined as A1 mating type, due to formation of a few typical sexual structures when crossed with the A2 mating type of P. cinnamomi and P. cryptogea. Pathogenicity test on non-wounded detached leaves of 19 popular ornamentals, as well as the most frequently imported ones, revealed that 10 host species were susceptible, including Robinia pseudoacacia, which is widely distributed in Serbia. During this study, Cotoneaster horizontalis and C. dammeri were determined to be new experimental hosts of P ramorum. This article provides evidence of P. ramorum introduction into Serbia. Although P. ramorum has not been detected in Serbian production nurseries, its presence outdoors might cause severe damages on susceptible common urban plants in public green and natural ecosystems.",
publisher = "Amer Phytopathological Soc, St Paul",
journal = "Plant Disease",
title = "Phytophthora ramorum Occurrence in Ornamentals in Serbia",
pages = "708-703",
number = "6",
volume = "94",
doi = "10.1094/PDIS-94-6-0703"
}

Bulajic, A., Djekic, I., Jović, J., Krnjajić, S., Vucurović, A. B.,& Krstic, B.. (2010). Phytophthora ramorum Occurrence in Ornamentals in Serbia. in Plant Disease
Amer Phytopathological Soc, St Paul., 94(6), 703-708.
https://doi.org/10.1094/PDIS-94-6-0703

Bulajic A, Djekic I, Jović J, Krnjajić S, Vucurović AB, Krstic B. Phytophthora ramorum Occurrence in Ornamentals in Serbia. in Plant Disease. 2010;94(6):703-708.
doi:10.1094/PDIS-94-6-0703 .

Bulajic, Aleksandra, Djekic, Ivana, Jović, Jelena, Krnjajić, Slobodan, Vucurović, Ana B, Krstic, Branka, "Phytophthora ramorum Occurrence in Ornamentals in Serbia" in Plant Disease, 94, no. 6 (2010):703-708,
https://doi.org/10.1094/PDIS-94-6-0703 . .

TY  - JOUR
AU  - Bulajic, Aleksandra
AU  - Djekic, Ivana
AU  - Jović, Jelena
AU  - Krnjajić, Slobodan
AU  - Vucurović, Ana
AU  - Krstic, Branka
PY  - 2009
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/303
AB  - In a survey to determine the presence and distribution of It-is yellows, spot virus (IYSV) in greenhouse ornamentals and onion field crops in 14 districts of Serbia as well as on imported ornamental plants, 1,574 samples were collected and analyzed by double-antibody sandwich enzyme-linked immunosorbent assay (DAS-ELISA). IYSV was not detected in nearly 1,200 plant samples collected from 39 genera of ornamentals grown in greenhouses in Serbia or imported from other countries during 2005 to 2007. The virus was detected in samples from an onion seed crop in the Sirig locality (South Backa District) that showed symptoms resembling those caused by IYSV and in samples without IYSV-Iike symptoms from an onion bulb crop in the Obrenovac locality (City of Belgrade District). Mechanical transmission of IYSV isolates was difficult, and only the isolate 605-SRB could infect four plant species, but not in all replications. No virus transmission could be demonstrated in 5,000 tested seeds originating from IYSV-infected onion crops. For further confirmation of IYSV, the nucleotide sequence of its nucleocapsid (NC) gene was obtained by reverse transcription-polymerase chain reaction (RT-PCR) in symptomatic onion samples as well as in symptomless leaves of Nicotiana benthamiana. Four previously developed primers were tested to determine their suitability for routine detection of Serbian IYSV isolates. Phylogenetic analysis showed clustering of isolates 605-SRB and 622-SRB from the onion seed crop and isolate 283-SRB front the onion bulb crop into two distant clades. The analysis indicated that Serbian isolates of IYSV do not share a recent common ancestor and that they represent two distinct lineages of IYSV in Serbia. Considering that onion is one of the most important and traditionally grown vegetable crops in Serbia, IYSV represents a potentially devastating pathogen in this country.
PB  - Amer Phytopathological Soc, St Paul
T2  - Plant Disease
T1  - Incidence and Distribution of Iris yellow spot virus on Onion in Serbia
EP  - 982
IS  - 10
SP  - 976
VL  - 93
DO  - 10.1094/PDIS-93-10-0976
ER  - 

@article{
author = "Bulajic, Aleksandra and Djekic, Ivana and Jović, Jelena and Krnjajić, Slobodan and Vucurović, Ana and Krstic, Branka",
year = "2009",
abstract = "In a survey to determine the presence and distribution of It-is yellows, spot virus (IYSV) in greenhouse ornamentals and onion field crops in 14 districts of Serbia as well as on imported ornamental plants, 1,574 samples were collected and analyzed by double-antibody sandwich enzyme-linked immunosorbent assay (DAS-ELISA). IYSV was not detected in nearly 1,200 plant samples collected from 39 genera of ornamentals grown in greenhouses in Serbia or imported from other countries during 2005 to 2007. The virus was detected in samples from an onion seed crop in the Sirig locality (South Backa District) that showed symptoms resembling those caused by IYSV and in samples without IYSV-Iike symptoms from an onion bulb crop in the Obrenovac locality (City of Belgrade District). Mechanical transmission of IYSV isolates was difficult, and only the isolate 605-SRB could infect four plant species, but not in all replications. No virus transmission could be demonstrated in 5,000 tested seeds originating from IYSV-infected onion crops. For further confirmation of IYSV, the nucleotide sequence of its nucleocapsid (NC) gene was obtained by reverse transcription-polymerase chain reaction (RT-PCR) in symptomatic onion samples as well as in symptomless leaves of Nicotiana benthamiana. Four previously developed primers were tested to determine their suitability for routine detection of Serbian IYSV isolates. Phylogenetic analysis showed clustering of isolates 605-SRB and 622-SRB from the onion seed crop and isolate 283-SRB front the onion bulb crop into two distant clades. The analysis indicated that Serbian isolates of IYSV do not share a recent common ancestor and that they represent two distinct lineages of IYSV in Serbia. Considering that onion is one of the most important and traditionally grown vegetable crops in Serbia, IYSV represents a potentially devastating pathogen in this country.",
publisher = "Amer Phytopathological Soc, St Paul",
journal = "Plant Disease",
title = "Incidence and Distribution of Iris yellow spot virus on Onion in Serbia",
pages = "982-976",
number = "10",
volume = "93",
doi = "10.1094/PDIS-93-10-0976"
}

Bulajic, A., Djekic, I., Jović, J., Krnjajić, S., Vucurović, A.,& Krstic, B.. (2009). Incidence and Distribution of Iris yellow spot virus on Onion in Serbia. in Plant Disease
Amer Phytopathological Soc, St Paul., 93(10), 976-982.
https://doi.org/10.1094/PDIS-93-10-0976

Bulajic A, Djekic I, Jović J, Krnjajić S, Vucurović A, Krstic B. Incidence and Distribution of Iris yellow spot virus on Onion in Serbia. in Plant Disease. 2009;93(10):976-982.
doi:10.1094/PDIS-93-10-0976 .

Bulajic, Aleksandra, Djekic, Ivana, Jović, Jelena, Krnjajić, Slobodan, Vucurović, Ana, Krstic, Branka, "Incidence and Distribution of Iris yellow spot virus on Onion in Serbia" in Plant Disease, 93, no. 10 (2009):976-982,
https://doi.org/10.1094/PDIS-93-10-0976 . .