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Tobacco diseases in transplant production in Croatia


Ćosić, Jasenka; Vrandečić, Karolina; Jurković, Draženka; Budimir, Ankica; Pleša, Zlatko Zdeličan, Josip
Tobacco diseases in transplant production in Croatia // Book of Abstracts
Izmir, Turska, 2015. (poster, međunarodna recenzija, sažetak, znanstveni)


Naslov
Tobacco diseases in transplant production in Croatia

Autori
Ćosić, Jasenka ; Vrandečić, Karolina ; Jurković, Draženka ; Budimir, Ankica ; Pleša, Zlatko Zdeličan, Josip

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
Book of Abstracts / - , 2015

Skup
CORESTA 2015 AP

Mjesto i datum
Izmir, Turska, 25.-30.10.2015

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
tobacco diseases; transplant; greenhouse

Sažetak
In Croatia tobacco transplants are produced in greenhouses using the float tray system. The high plant density and high moisture provide extended periods of leaf wetness and promote development and spread of seedling diseases such as Rhizoctonia stem rot, Pythium root rot, Sclerotinia collar rot, Botrytis grey mould and blue mould. On the other hand, transplant production using sterile substrates significantly reduce the occurrence of disease in the initial stages of development. Notwithstanding the above, every year in transplant production we find plants with disease symptoms. The aim of this study was to identify pathogens that cause transplant damping-off. With the aim of identifying pathogens in the transplant production, we collected the young plants with disease symptoms during three years (2012-2014). Plant parts with symptoms were washed in running water, disinfected in a 96% ethanol and rinsed in sterile distilled water. Prepared plant parts were placed in Petri dishes with PDA and incubated in thermostat. Identifications were based on the mycelial growth rate, colony pigmentation, density of mycelia, presence or absence of spores and sclerotia and their morphology. In 2013 year we determined the occurrence of Sclerotinia sclerotiorum Lib. (de Bary) (causing agent of Sclerotinia collar rot), and in 2014 and 2015 years Botryotinia fuckeliana (de Bary) Whetzel (anamorph Botrytis cinerea Pers ex Fr.) (causing agent of Botrytis grey mould). Both pathogens affect a large number of plant species and their appearance is expected in the production of tobacco transplants in areas with well-developed agricultural production of field crops, vegetables, fruits and grapevine. Their appearance in the greenhouses is a consequence of the airborne spread of B. cinerea conidia and S. sclerotiorum ascospores. Soil borne pathogens (e.g. Pythium sp., Rhizoctonia sp.) have not been detected and due to the use of sterile substrates we in fact do not expect their appearance

Izvorni jezik
Engleski

Znanstvena područja
Poljoprivreda (agronomija)



POVEZANOST RADA


Ustanove
Fakultet agrobiotehničkih znanosti Osijek

Citiraj ovu publikaciju

Ćosić, Jasenka; Vrandečić, Karolina; Jurković, Draženka; Budimir, Ankica; Pleša, Zlatko Zdeličan, Josip
Tobacco diseases in transplant production in Croatia // Book of Abstracts
Izmir, Turska, 2015. (poster, međunarodna recenzija, sažetak, znanstveni)
Ćosić, J., Vrandečić, K., Jurković, D., Budimir, A. & Pleša, Zlatko Zdeličan, Josip (2015) Tobacco diseases in transplant production in Croatia. U: Book of Abstracts.
@article{article, year = {2015}, pages = {164}, keywords = {tobacco diseases, transplant, greenhouse}, title = {Tobacco diseases in transplant production in Croatia}, keyword = {tobacco diseases, transplant, greenhouse}, publisherplace = {Izmir, Turska} }