Poljoprivreda, Vol. 16 No. 1, 2010.
Izvorni znanstveni članak
STRAWBERRY (FRAGARIA X ANANASSA DUCH) LEAF ANTIOXIDATIVE RESPONSE TO BIOSTIMULATORS AND REDUCED FERTILIZATION WITH N AND K
Marija Špoljarević
orcid.org/0000-0002-9052-5307
; Poljoprivredni fakultet Sveučilišta J.J.Strossmayer u Osijeku, Osijek, Hrvatska
Ivna Štolfa
; Odjel za biologiju Sveučilišta J.J. Strossmayer u Osijeku, Osijek, Hrvatska
Miroslav Lisjak
orcid.org/0000-0003-2018-4903
; Poljoprivredni fakultet Sveučilišta J.J.Strossmayer u Osijeku, Osijek, Hrvatska
Aleksandar Stanisavljević
; Poljoprivredni fakultet Sveučilišta J.J.Strossmayer u Osijeku, Osijek, Hrvatska
Tomislav Vinković
; Poljoprivredni fakultet Sveučilišta J.J.Strossmayer u Osijeku, Osijek, Hrvatska
Dejan Agić
; Poljoprivredni fakultet Sveučilišta J.J.Strossmayer u Osijeku, Osijek, Hrvatska
Nada Parađiković
; Poljoprivredni fakultet Sveučilišta J.J.Strossmayer u Osijeku, Osijek, Hrvatska
Tihana Teklić
orcid.org/0000-0001-8452-3965
; Poljoprivredni fakultet Sveučilišta J.J.Strossmayer u Osijeku, Osijek, Hrvatska
Meri Engler
; Poljoprivredni fakultet Sveučilišta J.J.Strossmayer u Osijeku, Osijek, Hrvatska
Katica Klešić
; Poljoprivredni fakultet Sveučilišta J.J.Strossmayer u Osijeku, Osijek, Hrvatska
Sažetak
Strawberry cultivar Elsanta was grown in peat based substrate in a green house. Full dose and 50% reduced nitrogen and potassium fertilization were applied during fruit bearing period in spring, along with biostimulators Viva®, Megafol® and their combination. The specific activities of guaiacol peroxidase (GPXs; EC 1.11.1.7), catalase (CATs; EC 1.11.1.6), ascorbate peroxidase (APXs; EC 1.11.1.11) and glutathione reductase (GRs; EC 1.6.4.2) in strawberry leaf were stimulated by biostimulators and reduced fertilization. The strongest link seen here was between the enzymes of ascorbate-glutathione cycle (APXs and GRs), which were positively related to trifoliate leaf fresh mass (TLFM). The highest TLFM was observed in
Megafol® treated plants.
Ključne riječi
antioxidative activity; ascorbate peroxidase; biostimulators; catalase; fertilization; Fragaria x ananassa Duch; glutathione reductase; guaiacol peroxidase; leaf; strawberry
Hrčak ID:
53787
URI
Datum izdavanja:
10.6.2010.
Posjeta: 1.929 *