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Pregled bibliografske jedinice broj: 690102

Quality of hops (Humulus lupulus L.) with regard to weather conditions

Čeh, Barbara; Srečec, SiniÅ”a; Čremožnik, Bojan
Quality of hops (Humulus lupulus L.) with regard to weather conditions // BOOK OF ABSTRACTS / Marić, Sonja ; Lončarić, Zdenko (ur.).
Osijek: Fakultet agrobiotehničkih znanosti SveučiliÅ”ta Josipa Jurja Strossmayera u Osijeku, 2014. str. 127-127 (predavanje, međunarodna recenzija, sažetak, znanstveni)

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Naslov
Quality of hops (Humulus lupulus L.) with regard to weather conditions

Autori
Čeh, Barbara ; Srečec, SiniÅ”a ; Čremožnik, Bojan

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

Izvornik
BOOK OF ABSTRACTS / Marić, Sonja ; Lončarić, Zdenko - Osijek : Fakultet agrobiotehničkih znanosti SveučiliÅ”ta Josipa Jurja Strossmayera u Osijeku, 2014, 127-127

ISBN
978-953-7871-23-9

Skup
49th CROATIAN AND 9th INTERNATIONAL SYMPOSIUM ON AGRICULTURE

Mjesto i datum
Dubrovnik, Hrvatska, 16.02.2014. - 21.02.2014

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
hop ; Humulus lupulus L. ; alpha-acids content ; nitrates content ; empiric mathematical model

Sažetak
The aim of the study was to detect the impact of weather conditions (year) on quality (alpha-acids and nitrates content) of hops cv. Aurora, which is planted on about 60% of hop fields in Slovenia. In three different field experiments implemented from 2010 to 2012 and from 2009 to 2010 respectively the weather conditions did not have a significant impact on the alpha-acids content of hop cones, whereas they had a significant impact on their nitrate content. But, high deficit of rainfall accompanied by very high temperatures in summer of 2013 (almost up to 40ĀŗC) caused very low alpha-acid content of hop cones in that year. The secondary aim of this research was to find a simple mathematical model due to sum of effective temperatures and rainfalls from second germination after spring pruning till the technological maturity of hop cones. Considering achieved results it is possible to suggest following empiric mathematical model for alpha-acids accumulationin hop cones of cv. Aurora: š‘¦=[(š‘˜1 š‘¤)āˆ’š‘˜2āˆ’(š‘˜3 š‘¤2)]/š‘„Ć·(āˆ’10) ļ‚« ET0 (July) ā‰¤ 4.5. Where y is alpha-acids content in dry matter (%), x = sum of effective temperatures and w = sum of rainfalls, both from second germination after spring pruning till technological maturity of hop cones. Coefficients k1, k2 and k3 are determined for cv. Aurora (53.8, 453 and 1.33, respectively).

Izvorni jezik
Engleski

Znanstvena područja
Poljoprivreda (agronomija), Biotehnologija



POVEZANOST RADA

Ustanove:
Visoko gospodarsko učiliŔte, Križevci

Profili:

Avatar Url SiniŔa Srečec (autor)

Poveznice na cjeloviti tekst rada:

Pristup cjelovitom tekstu rada http http

Citiraj ovu publikaciju:

Čeh, Barbara; Srečec, SiniÅ”a; Čremožnik, Bojan
Quality of hops (Humulus lupulus L.) with regard to weather conditions // BOOK OF ABSTRACTS / Marić, Sonja ; Lončarić, Zdenko (ur.).
Osijek: Fakultet agrobiotehničkih znanosti SveučiliÅ”ta Josipa Jurja Strossmayera u Osijeku, 2014. str. 127-127 (predavanje, međunarodna recenzija, sažetak, znanstveni)
Čeh, B., Srečec, S. & Čremožnik, B. (2014) Quality of hops (Humulus lupulus L.) with regard to weather conditions. U: Marić, S. & Lončarić, Z. (ur.)BOOK OF ABSTRACTS.
@article{article, author = {\v{C}eh, Barbara and Sre\v{c}ec, Sini\v{s}a and \v{C}remo\v{z}nik, Bojan}, year = {2014}, pages = {127-127}, keywords = {hop, Humulus lupulus L., alpha-acids content, nitrates content, empiric mathematical model}, isbn = {978-953-7871-23-9}, title = {Quality of hops (Humulus lupulus L.) with regard to weather conditions}, keyword = {hop, Humulus lupulus L., alpha-acids content, nitrates content, empiric mathematical model}, publisher = {Fakultet agrobiotehni\v{c}kih znanosti Sveu\v{c}ili\v{s}ta Josipa Jurja Strossmayera u Osijeku}, publisherplace = {Dubrovnik, Hrvatska} }
@article{article, author = {\v{C}eh, Barbara and Sre\v{c}ec, Sini\v{s}a and \v{C}remo\v{z}nik, Bojan}, year = {2014}, pages = {127-127}, keywords = {hop, Humulus lupulus L., alpha-acids content, nitrates content, empiric mathematical model}, isbn = {978-953-7871-23-9}, title = {Quality of hops (Humulus lupulus L.) with regard to weather conditions}, keyword = {hop, Humulus lupulus L., alpha-acids content, nitrates content, empiric mathematical model}, publisher = {Fakultet agrobiotehni\v{c}kih znanosti Sveu\v{c}ili\v{s}ta Josipa Jurja Strossmayera u Osijeku}, publisherplace = {Dubrovnik, Hrvatska} }

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