Breaking the Dormancy of Snake’s Head Fritillary (Fritillaria meleagris L.) In Vitro Bulbs—Part 2: Effect of GA3 Soaking and Chilling on Sugar Status in Sprouted Bulbs
2020
Autori:
Marković, MarijaTrifunović-Momčilov, Milana
Uzelac, Branka
Radulović, Olga
Milošević, Snežana
Jevremović, Slađana
Subotić, Angelina
Tip dokumenta:
Članak u časopisu (Objavljena verzija)
Metapodaci
Prikaz svih podataka o dokumentuApstrakt:
The bulb is the main propagation organ of snake’s head fritillary (Fritillaria meleagris L.), a horticulturally attractive and rare geophyte plant species. In this study, we investigated the effect of soaking bulbs in GA3 solution (1, 2, and 3 mg L−1) combined with low-temperature treatment (7 °C) on breaking the dormancy of in vitro bulbs. Sugar status (total soluble sugars, glucose, and fructose content) was analyzed in different parts of the sprouted bulbs. The results showed that the soluble sugar concentration was highest in bulbs soaked in GA3. The main sugar in fritillary bulbs was glucose, while fructose content was much lower. Glucose concentration dramatically increased after bulb chilling (7 °C), and its accumulation was predominantly detected in the lower sprout portion during the first weeks of sprouting. Sugar concentration was significantly lower in nonchilled bulbs, which indicates the importance of low temperature in bulb development and sprouting.
Ključne reči:
Dormancy changes; F. meleagris; Soaking bulbsIzvor:
Plants, 2020, 9, 11, 1573-Finansiranje / projekti:
- Ministarstvo nauke, tehnološkog razvoja i inovacija Republike Srbije, institucionalno finansiranje - 200007 (Univerzitet u Beogradu, Institut za biološka istraživanja 'Siniša Stanković') (RS-MESTD-inst-2020-200007)
DOI: 10.3390/plants9111573
ISSN: 2223-7747
PubMed: 33203039