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Pregled bibliografske jedinice broj: 414560

Oak (Quercus frainetto Ten.)honeydew without mediation of plant sucking insects in Požega basin (Croatia)


Bubalo, Dragan; Krakar, Davorin; Van Der Ohe, Werner; Pechhacker, Hermann; Marijanović, Zvonimir; Jerković, Igor; Dražić, Marica Maja; Kezić, Nikola
Oak (Quercus frainetto Ten.)honeydew without mediation of plant sucking insects in Požega basin (Croatia) // 1 st World Honeydew Honey Symposium Abstracts / Stefan Bogdanov (ur.).
Tzarevo: Apimondia International Honey Commission, 2008. str. 17-17 (predavanje, međunarodna recenzija, sažetak, znanstveni)


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Naslov
Oak (Quercus frainetto Ten.)honeydew without mediation of plant sucking insects in Požega basin (Croatia)

Autori
Bubalo, Dragan ; Krakar, Davorin ; Van Der Ohe, Werner ; Pechhacker, Hermann ; Marijanović, Zvonimir ; Jerković, Igor ; Dražić, Marica Maja ; Kezić, Nikola

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

Izvornik
1 st World Honeydew Honey Symposium Abstracts / Stefan Bogdanov - Tzarevo : Apimondia International Honey Commission, 2008, 17-17

Skup
1 st World Honeydew Honey Symposium

Mjesto i datum
Tsarevo, Bugarska, 01.08.2008. - 03.08.2008

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Quercus frainetto; honeydew honey; Požega basin

Sažetak
Quercus frainetto Ten. is species oak of the Southeast Europe, part of Italy and the west part of Asia. Western border is in Požega valley region in Croatia, and South Peloponnesus, Greece. Beekeepers from Požega region record that bees readily collect the plant sap on oak. In this area of distribution of the Q. frainetto is recognized as a specific source of honeydew. Growth process of oak fruits is extremely rich in cycles of 5-8 years, and during other years fruit production is standard. process of balance of the number of fruits on each tree is specific. At the natural reduction of overproduction of fruits, the sweet sap from fruits is noticed. Fruit sap starts to flow over cuticle of the fruit often with the foam appearance. Single fruit produces sap for several days, then process starts on another fruit. occurrence of fruit sap in wood area can last up to two month. During honeyflow season in 2003 and 2004 year, with medium to low honeydew honey production in Požega basin, 10 samples of honey were taken for the analysis. According to the results these honeys are not typical honeydew honeys. There are no special honeydew sugars and also electrical conductivity is low. There are also only quite less amounts of honeydew elements in the sediment. The sugar spectra of the oak fruits show high amounts of fructose (30, 4%), glucose (17, 9%), trehalose (26, 9%) and one not identified oligosaccharide (24, 9%). So the high fructose/glucose ratio seems to come from these oak fruit excretions. Histological analysis confirmed that mediation of plant sucking insects do not take part in process of honeydew generating. Probably the physiological process of the plant induces this specific honeydew.

Izvorni jezik
Engleski

Znanstvena područja
Poljoprivreda (agronomija)



POVEZANOST RADA


Projekti:
178-1782162-2160 - Tolerantnost medonosnih pčela na varoozu
178-0000000-3580 - Palinološke odlike nektara i meda od ljekovite kadulje (Salvia officinalis) (Bubalo, Dragan, MZOS ) ( CroRIS)

Ustanove:
Agronomski fakultet, Zagreb


Citiraj ovu publikaciju:

Bubalo, Dragan; Krakar, Davorin; Van Der Ohe, Werner; Pechhacker, Hermann; Marijanović, Zvonimir; Jerković, Igor; Dražić, Marica Maja; Kezić, Nikola
Oak (Quercus frainetto Ten.)honeydew without mediation of plant sucking insects in Požega basin (Croatia) // 1 st World Honeydew Honey Symposium Abstracts / Stefan Bogdanov (ur.).
Tzarevo: Apimondia International Honey Commission, 2008. str. 17-17 (predavanje, međunarodna recenzija, sažetak, znanstveni)
Bubalo, D., Krakar, D., Van Der Ohe, W., Pechhacker, H., Marijanović, Z., Jerković, I., Dražić, M. & Kezić, N. (2008) Oak (Quercus frainetto Ten.)honeydew without mediation of plant sucking insects in Požega basin (Croatia). U: Stefan Bogdanov (ur.)1 st World Honeydew Honey Symposium Abstracts.
@article{article, author = {Bubalo, Dragan and Krakar, Davorin and Van Der Ohe, Werner and Pechhacker, Hermann and Marijanovi\'{c}, Zvonimir and Jerkovi\'{c}, Igor and Dra\v{z}i\'{c}, Marica Maja and Kezi\'{c}, Nikola}, year = {2008}, pages = {17-17}, keywords = {Quercus frainetto, honeydew honey, Po\v{z}ega basin}, title = {Oak (Quercus frainetto Ten.)honeydew without mediation of plant sucking insects in Po\v{z}ega basin (Croatia)}, keyword = {Quercus frainetto, honeydew honey, Po\v{z}ega basin}, publisher = {Apimondia International Honey Commission}, publisherplace = {Tsarevo, Bugarska} }
@article{article, author = {Bubalo, Dragan and Krakar, Davorin and Van Der Ohe, Werner and Pechhacker, Hermann and Marijanovi\'{c}, Zvonimir and Jerkovi\'{c}, Igor and Dra\v{z}i\'{c}, Marica Maja and Kezi\'{c}, Nikola}, year = {2008}, pages = {17-17}, keywords = {Quercus frainetto, honeydew honey, Po\v{z}ega basin}, title = {Oak (Quercus frainetto Ten.)honeydew without mediation of plant sucking insects in Po\v{z}ega basin (Croatia)}, keyword = {Quercus frainetto, honeydew honey, Po\v{z}ega basin}, publisher = {Apimondia International Honey Commission}, publisherplace = {Tsarevo, Bugarska} }




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