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Glasnik Zaštite Bilja, Vol. 43. No. 5., 2020.

Original scientific paper

https://doi.org/10.31727/gzb.43.5.7

Phenolic leaf profile of olive cultivar 'Istarska bjelica' at different boron concentrations in the nutrient solution

Kristina Grozić ; Institut za poljoprivredu i turizam, Poreč, Hrvatska
Igor Pasković ; Institut za poljoprivredu i turizam, Poreč, Hrvatska
Paula Žurga ; Nastavni zavod za javno zdravstvo Primorsko-Goranske županije, Rijeka, Hrvatska
Valerija Majetić Germek ; Medicinski fakultet, Sveučilište u Rijeci, Hrvatska
Lukić Igor ; Institut za poljoprivredu i turizam, Poreč, Hrvatska
Mia Brkljača ; Prehrambeno-Biotehnološki fakultet, Sveučilište u Zagrebu, Hrvatska
Branimir Urlić ; Institut za jadranske kulture i melioraciju krša, Split, Hrvatska
Jana Klanjac ; Institut za poljoprivredu i turizam, Poreč, Hrvatska
Šime Marcelić ; Odjel za ekologiju, agronomiju i akvakulturu, Sveučilište u Zadru, Hrvatska
Dean Ban ; Institut za poljoprivredu i turizam, Poreč, Hrvatska
Joško Kaliterna ; Agronomski fakultet, Sveučilište u Zagrebu, Hrvatska
Mirjana Herak Ćustić ; Agronomski fakultet, Sveučilište u Zagrebu, Hrvatska
Smiljana Goreta Ban ; Institut za poljoprivredu i turizam, Poreč, Hrvatska

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Abstract

Boron (B) is an essential nutrient for growth and development of olive, whereas B deficiency is among the most common micronutrient disorders in olive production. Boron deficiency contributes changes in the concentration of different phenolic compounds in olive leaves, the impact of B nutrition on the phenolic leaf profile of autochthonous olive varieties is mainly unknown. This study aimed to investigate the impact of nutrient solutions, with (B+) and without (B-) boron addition, on the phenolic profile in olive leaves of cultivar ‘Istarska bjelica’. The experiment was set up in random block design in four repetitions, on 40 olive plantlets of cultivar ‘Istarska bjelica’. Olive leaves were sampled 60 days after the beginning of the experiment. Boron concentration in olive leaves was significantly higher in the B+ treatment, whereas total phenolic content and verbascoside concentration were significantly higher in the olive leaves of the B- treatment. Boron nutrition had no significant impact on other phenolic compounds. A significantly higher total phenolic content and verbascoside concentration, determined in olive leaves of cultivar ‘Istarska bjelica’, indicate the relation between physiological plant response and B deficiency.

Keywords

Olea europaea L., ortho-diphenol, cis-hydroxyl groups, total phenolic content, verbascoside

Hrčak ID:

245383

URI

https://hrcak.srce.hr/245383

Publication date:

23.10.2020.

Article data in other languages: croatian

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

Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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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.

Publication date:

Volume: 43

Issue: 5

Pages: 56-62

DOI: 10.31727/gzb.43.5.7

Article Information (continued)

Categories:

Subject: Izvorni znanstveni rad

Categories:

Subject: Original scientific paper

Keywords:

Keyword: Olea europaea L., orto-difenoli, cis-dihidroksil molekule, ukupni fenoli, verbaskozid

Keywords:

Keyword: Olea europaea L., ortho-diphenol, cis-hydroxyl groups, total phenolic content, verbascoside

Fenolni profil lista masline sorte 'Istarska bjelica' pri različitoj koncentraciji bora u hranivoj otopini

Translated Title (en): Phenolic leaf profile of olive cultivar 'Istarska bjelica' at different boron concentrations in the nutrient solution

Kristina Grozić[1]

Email:

Igor Pasković[1]

Email: paskovic@iptpo.hr

Paula Žurga[2]

Email:

Valerija Majetić Germek[3]

Email:

Lukić Igor[1]

Email:

Mia Brkljača[4]

Email:

Branimir Urlić[5]

Email:

Jana Klanjac[1]

Email:

Šime Marcelić[6]

Email:

Dean Ban[1]

Email:

Joško Kaliterna[7]

Email:

Mirjana Herak Ćustić[7]

Email:

Smiljana Goreta Ban[1]

Email:

 

[1] Institut za poljoprivredu i turizam, Poreč, Hrvatska

[2] Nastavni zavod za javno zdravstvo Primorsko-Goranske županije, Rijeka, Hrvatska

[3] Medicinski fakultet, Sveučilište u Rijeci, Hrvatska

[4] Prehrambeno-Biotehnološki fakultet, Sveučilište u Zagrebu, Hrvatska

[5] Institut za jadranske kulture i melioraciju krša, Split, Hrvatska

[6] Odjel za ekologiju, agronomiju i akvakulturu, Sveučilište u Zadru, Hrvatska

[7] Agronomski fakultet, Sveučilište u Zagrebu, Hrvatska

Abstract

Bor (B) je esencijalni biogeni element neophodan za rast i razvoj masline, a nedostatak B općenito se smatra jednim od najčešćih nedostataka mikroelemenata u maslinarstvu. Iako nedostatak B može dovesti do promjene koncentracije različitih fenolnih spojeva u listu masline utjecaj ishranjenosti masline B na fenolni profil lista udomaćenih sorata masline nije dovoljno istražen. Stoga, cilj ovog istraživanja bio je utvrditi utjecaj primjene hranive otopine s (B+) (30 μM B) ili bez (B-) (0 μM B) bora na fenolni profil lista masline (Olea europaea L.) sorte 'Istarska bjelica'. Pokus je postavljen kao slučajni blokni raspored u četiri ponavljanja na ukupno 40 sadnica masline sorte 'Istarska bjelica'. Uzorkovanje lista provedeno je nakon 60 dana od početka pokusa. Koncentracija B u listu masline bila je značajno veća u B+ tretmanu, dok su utvrđene koncentracije ukupnih fenola i verbaskozida u listu masline bile značajno veće u B- tretmanu. Gnojidba B nije značajno utjecala na koncentraciju ostalih fenolnih spojeva. Značajno veća koncentracija ukupnih fenola i verbaskozida u listu sorte 'Istarska bjelica' kod B- tretmana može se povezati s fiziološkim odgovorom biljke na nedostatak B.

Translated Abstract

Boron (B) is an essential nutrient for growth and development of olive, whereas B deficiency is among the most common micronutrient disorders in olive production. Boron deficiency contributes changes in the concentration of different phenolic compounds in olive leaves, the impact of B nutrition on the phenolic leaf profile of autochthonous olive varieties is mainly unknown. This study aimed to investigate the impact of nutrient solutions, with (B+) and without (B-) boron addition, on the phenolic profile in olive leaves of cultivar ‘Istarska bjelica’. The experiment was set up in random block design in four repetitions, on 40 olive plantlets of cultivar ‘Istarska bjelica’. Olive leaves were sampled 60 days after the beginning of the experiment. Boron concentration in olive leaves was significantly higher in the B+ treatment, whereas total phenolic content and verbascoside concentration were significantly higher in the olive leaves of the B- treatment. Boron nutrition had no significant impact on other phenolic compounds. A significantly higher total phenolic content and verbascoside concentration, determined in olive leaves of cultivar ‘Istarska bjelica’, indicate the relation between physiological plant response and B deficiency.

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