Detection of Ustilago nuda (Jensen) Rostrup in winter barley seed
Detekcija Ustilago nuda (Jensen) Rostrup u semenu ozimog ječma
2011
Аутори
Ignjatov, MajaPetrović, Dragana
Vujaković, Milka
Taški-Ajduković, Ksenija
Nikolić, Zorica
Jovičić, Dušica
Чланак у часопису (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
Barley is one of the most important cereals grown in our agroecological conditions. The causal agent of loose smut on barley Ustilago nuda (Jensen) Rostrup occurs frequently as varieties susceptible to this pathogen are present in the production. Disease symptoms are manifested on barley head (spike). Parasite is transmitted by seed (seedborne) and stays in the embryo tissue of the infected kernel as dormant mycelium. Recommended method for detection of U. nuda is given by ISTA Rules (method 7-013). In tests, nine samples (weighing 120 g each) of naturally infected barley seed (about 1000 seeds, depending on the absolute mass of seed) were examined, observed and described using a Zeiss microscope with sub stage illumination with magnification range x 40 or higher. Mycelium of the fungus approximately 3 μ thick, golden brown in colour was detected and visible without a stain. The percentage of infected embryos in the examined samples of barley seeds ranged from 0.8% to 5.2%.
Ječam spada u najvažnija strna žita koja se gaje u našim agroekološkim uslovima. Prouzrokovač otkrivene gari ječma Ustilago nuda (Jensen) Rostrup javlja se često, jer su u proizvodnji zastupljene sorte osetljive prema ovom patogenu. Simptomi bolesti se manifestuju na klasu. Parazit se prenosi semenom, a održava se u embrionu zaraženog semena u vidu mirujuće micelije. Prema preporuci International Seed Testing Association (ISTA) za detekciju U. nuda korišćen je metod brojanja zaraženih embriona. U ispitivanjima je korišteno 9 uzoraka prirodno zaraženog semena ječma (oko 1000 semena u zavisnosti od apsolutne mase semena). Posmatranje, ocena i fotografisanje zaraženih embriona obavljeno je pomoću Zeiss mikroskopa pri uveličanju od x 40. Konstatovana je micelija gljive debljine oko 3 μ, zlatno-mrke boje koja je vidljiva bez bojenja. Procenat zaraženosti embriona ispitivanih uzoraka semena ječma kretao se od 0,8% do 5,2%.
Кључне речи:
seed / Ustilago nuda / winter barley / ozimi ječam / seme / Ustilago nudaИзвор:
Ratarstvo i povrtarstvo / Field and Vegetable Crops Research, 2011, 48, 1, 179-182Издавач:
- Institut za ratarstvo i povrtarstvo, Novi Sad
Колекције
Институција/група
FiVeRTY - JOUR AU - Ignjatov, Maja AU - Petrović, Dragana AU - Vujaković, Milka AU - Taški-Ajduković, Ksenija AU - Nikolić, Zorica AU - Jovičić, Dušica PY - 2011 UR - http://fiver.ifvcns.rs/handle/123456789/935 AB - Barley is one of the most important cereals grown in our agroecological conditions. The causal agent of loose smut on barley Ustilago nuda (Jensen) Rostrup occurs frequently as varieties susceptible to this pathogen are present in the production. Disease symptoms are manifested on barley head (spike). Parasite is transmitted by seed (seedborne) and stays in the embryo tissue of the infected kernel as dormant mycelium. Recommended method for detection of U. nuda is given by ISTA Rules (method 7-013). In tests, nine samples (weighing 120 g each) of naturally infected barley seed (about 1000 seeds, depending on the absolute mass of seed) were examined, observed and described using a Zeiss microscope with sub stage illumination with magnification range x 40 or higher. Mycelium of the fungus approximately 3 μ thick, golden brown in colour was detected and visible without a stain. The percentage of infected embryos in the examined samples of barley seeds ranged from 0.8% to 5.2%. AB - Ječam spada u najvažnija strna žita koja se gaje u našim agroekološkim uslovima. Prouzrokovač otkrivene gari ječma Ustilago nuda (Jensen) Rostrup javlja se često, jer su u proizvodnji zastupljene sorte osetljive prema ovom patogenu. Simptomi bolesti se manifestuju na klasu. Parazit se prenosi semenom, a održava se u embrionu zaraženog semena u vidu mirujuće micelije. Prema preporuci International Seed Testing Association (ISTA) za detekciju U. nuda korišćen je metod brojanja zaraženih embriona. U ispitivanjima je korišteno 9 uzoraka prirodno zaraženog semena ječma (oko 1000 semena u zavisnosti od apsolutne mase semena). Posmatranje, ocena i fotografisanje zaraženih embriona obavljeno je pomoću Zeiss mikroskopa pri uveličanju od x 40. Konstatovana je micelija gljive debljine oko 3 μ, zlatno-mrke boje koja je vidljiva bez bojenja. Procenat zaraženosti embriona ispitivanih uzoraka semena ječma kretao se od 0,8% do 5,2%. PB - Institut za ratarstvo i povrtarstvo, Novi Sad T2 - Ratarstvo i povrtarstvo / Field and Vegetable Crops Research T1 - Detection of Ustilago nuda (Jensen) Rostrup in winter barley seed T1 - Detekcija Ustilago nuda (Jensen) Rostrup u semenu ozimog ječma EP - 182 IS - 1 SP - 179 VL - 48 DO - 10.5937/ratpov1101179I ER -
@article{ author = "Ignjatov, Maja and Petrović, Dragana and Vujaković, Milka and Taški-Ajduković, Ksenija and Nikolić, Zorica and Jovičić, Dušica", year = "2011", abstract = "Barley is one of the most important cereals grown in our agroecological conditions. The causal agent of loose smut on barley Ustilago nuda (Jensen) Rostrup occurs frequently as varieties susceptible to this pathogen are present in the production. Disease symptoms are manifested on barley head (spike). Parasite is transmitted by seed (seedborne) and stays in the embryo tissue of the infected kernel as dormant mycelium. Recommended method for detection of U. nuda is given by ISTA Rules (method 7-013). In tests, nine samples (weighing 120 g each) of naturally infected barley seed (about 1000 seeds, depending on the absolute mass of seed) were examined, observed and described using a Zeiss microscope with sub stage illumination with magnification range x 40 or higher. Mycelium of the fungus approximately 3 μ thick, golden brown in colour was detected and visible without a stain. The percentage of infected embryos in the examined samples of barley seeds ranged from 0.8% to 5.2%., Ječam spada u najvažnija strna žita koja se gaje u našim agroekološkim uslovima. Prouzrokovač otkrivene gari ječma Ustilago nuda (Jensen) Rostrup javlja se često, jer su u proizvodnji zastupljene sorte osetljive prema ovom patogenu. Simptomi bolesti se manifestuju na klasu. Parazit se prenosi semenom, a održava se u embrionu zaraženog semena u vidu mirujuće micelije. Prema preporuci International Seed Testing Association (ISTA) za detekciju U. nuda korišćen je metod brojanja zaraženih embriona. U ispitivanjima je korišteno 9 uzoraka prirodno zaraženog semena ječma (oko 1000 semena u zavisnosti od apsolutne mase semena). Posmatranje, ocena i fotografisanje zaraženih embriona obavljeno je pomoću Zeiss mikroskopa pri uveličanju od x 40. Konstatovana je micelija gljive debljine oko 3 μ, zlatno-mrke boje koja je vidljiva bez bojenja. Procenat zaraženosti embriona ispitivanih uzoraka semena ječma kretao se od 0,8% do 5,2%.", publisher = "Institut za ratarstvo i povrtarstvo, Novi Sad", journal = "Ratarstvo i povrtarstvo / Field and Vegetable Crops Research", title = "Detection of Ustilago nuda (Jensen) Rostrup in winter barley seed, Detekcija Ustilago nuda (Jensen) Rostrup u semenu ozimog ječma", pages = "182-179", number = "1", volume = "48", doi = "10.5937/ratpov1101179I" }
Ignjatov, M., Petrović, D., Vujaković, M., Taški-Ajduković, K., Nikolić, Z.,& Jovičić, D.. (2011). Detection of Ustilago nuda (Jensen) Rostrup in winter barley seed. in Ratarstvo i povrtarstvo / Field and Vegetable Crops Research Institut za ratarstvo i povrtarstvo, Novi Sad., 48(1), 179-182. https://doi.org/10.5937/ratpov1101179I
Ignjatov M, Petrović D, Vujaković M, Taški-Ajduković K, Nikolić Z, Jovičić D. Detection of Ustilago nuda (Jensen) Rostrup in winter barley seed. in Ratarstvo i povrtarstvo / Field and Vegetable Crops Research. 2011;48(1):179-182. doi:10.5937/ratpov1101179I .
Ignjatov, Maja, Petrović, Dragana, Vujaković, Milka, Taški-Ajduković, Ksenija, Nikolić, Zorica, Jovičić, Dušica, "Detection of Ustilago nuda (Jensen) Rostrup in winter barley seed" in Ratarstvo i povrtarstvo / Field and Vegetable Crops Research, 48, no. 1 (2011):179-182, https://doi.org/10.5937/ratpov1101179I . .