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Glasnik Zaštite Bilja, Vol. 44. No. 5., 2021.

Professional paper

https://doi.org/10.31727/gzb.44.5.8

Gnojiva na bazi bakra u gnojidbi vinove loze

David Gluhić orcid id orcid.org/0000-0002-4507-6012 ; Poljoprivredni odjel Poreč, Veleučilište Rijeka, Hrvatska

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Abstract

Bakar ima povijesnu ulogu u uzgoju vinove loze. Bakar odnosno bakreni sulfat predstavlja prvi fungicid za borbu protiv plamenjače vinove loze. Međutim, osim važnosti bakra kao fungicida, bakar je istovremeno i važan mikroelement. Ima važnu ulogu u sintezi brojnih enzima i sintezi i aktivnosti molekule klorofila. Na povijesnim vinogradarskim tlima, gdje se u tlu nalazi visoka količina bakra nema pojave nedostatka bakra u listu vinove loze. Nedostatak bakra se često može javiti na karbonatnim (vapnenim) tlima, na tlima sa visokom količinom fosfora u tlu te na novim vinogradarskim položajima, gdje nije bilo prethodnog uzgoja vinove loze. Za gnojidbu vinove loze bakrom koriste se gnojiva koja sadrže bakar u obliku helata (Cu-EDTA) ili glukonata (Cu-glukonat), jer anorganski oblici bakra nemaju učinka u gnojidbi vinove loze. Kod primjene bakrenih gnojiva potrebno je voditi računa o dozi primjene, jer visoke količine bakra u biljci mogu izazvati fitotoksični učinak.

Keywords

bakar; vinova loza; gnojidba

Hrčak ID:

266164

URI

https://hrcak.srce.hr/266164

Publication date:

15.10.2021.

Article data in other languages: english

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License (open-access, http://creativecommons.org/licenses/by/2.5/):

Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

License (open-access):

Ovo je članak s otvorenim pristupom distribuiran pod uvjetima licence Creative Commons Attribution, koji dopušta neograničenu upotrebu, distribuciju i reprodukciju u bilo kojem mediju, pod uvjetom da se izvorno djelo pravilno citira.

License (open-access):

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Date received: 16 September 2021

Date accepted: 4 October 2021

Publication date: 14 October 2021

Volume: 44

Issue: 5

Pages: 60-64

DOI: 10.31727/gzb.44.5.8

Article Information (continued)

Categories:

Subject: Stručni rad

Categories:

Subject: Case-report

Keywords:

Keyword: bakar

Keyword: vinova loza

Keyword: gnojidba

Keywords:

Keyword: Copper

Keyword: grapes

Keyword: fertilization

Gnojiva na bazi bakra u gnojidbi vinove loze

Translated Title (en): Copper fertilizers in fertilization of grapes

David Gluhić[1]

Email: davidgluhic@yahoo.com

 

[1] Poljoprivredni odjel Poreč, Veleučilište Rijeka, Hrvatska

Abstract

Bakar ima povijesnu ulogu u uzgoju vinove loze. Bakar odnosno bakreni sulfat predstavlja prvi fungicid za borbu protiv plamenjače vinove loze. Međutim, osim važnosti bakra kao fungicida, bakar je istovremeno i važan mikroelement. Ima važnu ulogu u sintezi brojnih enzima i sintezi i aktivnosti molekule klorofila. Na povijesnim vinogradarskim tlima, gdje se u tlu nalazi visoka količina bakra nema pojave nedostatka bakra u listu vinove loze. Nedostatak bakra se često može javiti na karbonatnim (vapnenim) tlima, na tlima sa visokom količinom fosfora u tlu te na novim vinogradarskim položajima, gdje nije bilo prethodnog uzgoja vinove loze. Za gnojidbu vinove loze bakrom koriste se gnojiva koja sadrže bakar u obliku helata (Cu-EDTA) ili glukonata (Cu-glukonat), jer anorganski oblici bakra nemaju učinka u gnojidbi vinove loze. Kod primjene bakrenih gnojiva potrebno je voditi računa o dozi primjene, jer visoke količine bakra u biljci mogu izazvati fitotoksični učinak.

Translated Abstract

Copper has a historical role in the cultivation of vines. Copper or copper sulphate is the first fungicide that was used against Downy mildew disease. However, in addition to the importance of copper as a fungicide, copper is also an important trace element for vines. It plays an important role in the synthesis of numerous enzymes and the synthesis and activity of the chlorophyll molecule. On historic vineyard soils, where there is a high amount of copper in the soil, there is no occurrence of copper deficiency in the vine leaf. Copper deficiency can often occur on carbonate (lime) soils, on soils with a high amount of phosphorus in the soil and on new vineyard sites, where there was no previous cultivation of vines. For copper fertilization of grapes, fertilizers containing copper in the form of chelates (Cu-EDTA) or gluconates (Cu-gluconate) are used, because inorganic forms of copper have no effect in grape fertilization. When applying copper fertilizers, it is necessary to take care of the dose of application, because high amounts of copper in the plant can cause a phytotoxic effect.

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