Effect of Microalgal Extracts from Chlorella vulgaris and Scenedesmus quadricauda on Germination of Beta vulgaris Seeds

Sugar beet ( subsp. ) is a commercially important biennial root crop, providing about 20% of the world's annual sugar production. Seed quality is crucial for adequate plant growth and production. The productivity of sugar beet is often limited by heterogeneous germination in the field. In order...

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Bibliographic Details
Published in:Plants (Basel) 2020-05, Vol.9 (6), p.675
Main Authors: Puglisi, Ivana, Barone, Valeria, Fragalà, Ferdinando, Stevanato, Piergiorgio, Baglieri, Andrea, Vitale, Alessandro
Format: Article
Language:English
Subjects:
germination percentage
mean daily germination
microalgae
priming treatment
seedling vigor index
total root length
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Summary:Sugar beet ( subsp. ) is a commercially important biennial root crop, providing about 20% of the world's annual sugar production. Seed quality is crucial for adequate plant growth and production. The productivity of sugar beet is often limited by heterogeneous germination in the field. In order to improve the sugar beet germination process, the effect of different concentrations of microalgal extracts from or was investigated by calculating several indices useful to evaluate the germination performance. Moreover, root morphological analysis was performed by using WinRHIZO software. seeds were soaked with five different concentrations (from 0.1 to 10 mg C /L) of the microalgal extracts, considering the amount of organic carbon (C ) in each extract. Our results show that these microalgal extracts exert a positive effect on sugar beet germination, by increasing efficiency and regularity of this critical process for seeds. The best results, in terms of germination indices as well as root morphological traits, were reached by using extract at the concentrations C2 (1 mg C /L) and C3 (2 mg C /L).
ISSN:2223-7747
2223-7747
DOI:10.3390/plants9060675