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Involvement of auxin, flavonoids and strigolactones in the different rooting ability of European chestnut (Castanea sativa) and hybrids (Castanea crenata × Castanea sativa)
ID
Kunc, Petra
(
Avtor
),
ID
Medič, Aljaž
(
Avtor
),
ID
Osterc, Gregor
(
Avtor
)
PDF - Predstavitvena datoteka,
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(744,03 KB)
MD5: C50810D6139539F238197CE52FFA08FA
URL - Izvorni URL, za dostop obiščite
https://www.mdpi.com/2223-7747/13/15/2088
Galerija slik
Izvleček
The aim of this study was to investigate the differences between Castanea sativa Mill. and Castanea crenata Siebold & Zucc. × Castanea sativa Mill. in rooting ability in relation to endogenous levels of auxin, auxin cofactors and inhibitors that influence rooting success. Leafy cuttings of the two commercial cultivars ‘Marsol’ and ‘Maraval’ (Castanea crenata × Castanea sativa) and the native accession ‘Kozjak’ (Castanea sativa) were analyzed. Endogenous indole-3-acetic acid (IAA) concentration was assessed at the beginning of propagation (day 0); in addition, strigolactones, flavonoids, rooting ability and quality were assessed 120 days after. The concentration of endogenous IAA in ‘Maraval’ (324.34 ± 28.66 ng g$^{−1}$) and ‘Marsol’ (251.60 ± 35.44 ng g$^{−1}$) was significantly higher than in ‘Kozjak’ (112.87 ± 35.44 ng g$^{−1}$). The best rooting result was observed with the genotypes ‘Maraval’ (100.00 ± 0.00%) and ‘Marsol’ (90.48 ± 6.15%). A significantly lower strigol concentration was observed in the roots of ‘Maraval’ (75.54 ± 17.93 ng g$^{−1}$) compared with other genotypes. The total flavonoid concentration in ‘Maraval’ was significantly higher (2794.99 ± 187.13 µg g$^{−1}$) than in ‘Kozjak’ (1057.38 ± 61.05 µg g$^{−1}$). Our results indicate that the concentration of endogenous IAA has a significant influence on rooting success. The results further indicate that in the case of flavonoids and strigolactones, not only the individual compounds but also their ratio is important for rooting success. Correlation coefficients calculated between analyzed compounds and rooting success point toward specific functions of flavonoids and strigolactones in the rooting of Castanea that need to be functionally analyzed.
Jezik:
Angleški jezik
Ključne besede:
adventitious roots
,
phenolic compounds
,
phytohormones
,
vegetative propagation
,
woody plants
Vrsta gradiva:
Članek v reviji
Tipologija:
1.01 - Izvirni znanstveni članek
Organizacija:
BF - Biotehniška fakulteta
Status publikacije:
Objavljeno
Različica publikacije:
Objavljena publikacija
Leto izida:
2024
Št. strani:
17 str.
Številčenje:
Vol. 13, iss. 15, art. 2088
PID:
20.500.12556/RUL-160069
UDK:
634
ISSN pri članku:
2223-7747
DOI:
10.3390/plants13152088
COBISS.SI-ID:
204387587
Datum objave v RUL:
14.08.2024
Število ogledov:
86
Število prenosov:
8
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Objavi na:
Gradivo je del revije
Naslov:
Plants
Skrajšan naslov:
Plants
Založnik:
MDPI
ISSN:
2223-7747
COBISS.SI-ID:
523345433
Licence
Licenca:
CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:
http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:
To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
Sekundarni jezik
Jezik:
Slovenski jezik
Ključne besede:
adventivne korenine
,
kostanj
,
fenolne spojine
,
koreninjenje
,
auksin
,
flavonoidi
,
strigolaktoni
Projekti
Financer:
ARIS - Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije
Številka projekta:
P4-0013
Naslov:
Hortikultura
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