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Allelopathy of plants from Deliblato Sands-Serbia I. Allelopathic influence of Festuca vallesiaca

2016
Аутори:
Đurđević, Lola
Gajić, Gordana
Jarić, Snežana
Kostić, Olga
Mitrović, Miroslava
Oberan, Ljijana
Pavlović, Pavle
Тип документа:
Чланак у часопису
,
© International Allelopathy Foundation, India, 2017
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Апстракт:
The Festuceto-Potentilletum arenariae steppe community is dominated by Festuca vallesiaca Schleich. We investigated its allelopathic influences on seed germination and seedling growth of neighbouring plants (Cynodon dactylon and Lolium perenne), by determining the amount of total phenolics and phenolic acids in the aboveground parts of F. vallesiaca, litter and soil. An aqueous extract of the aboveground parts of F. vallesiaca, hydroponic growth solution in which F. vallesiaca grew, root exudates, its litter, soil and the phenolic-containing fraction from the soil inhibited the seed germination and seedling growth of neighbouring plants. Total phenolic compounds contents followed the order: vegetative F. vallesiaca parts > litter > soil. The same phenolic acids detected in the aboveground parts of the dominant F. vallesiaca were also found in plant litter and soil, but in significantly lower amounts. Phenolics produced in its tissue accumulated in the litter and soil, reaching toxic concentrations, thus inhibiting the seed germination and seedling growth. In addition to other ecological factors, the dominance of F. vallesiaca mainly resulted from its negative allelopathic effects on other species due to the synthesis and secretion of phenolics, which accumulate in the litter and soil.
Кључне речи:
Allelopathy; Degraded habitats; Festuca vallesiaca; Growth and germination inhibition; Phenolics; Phenolic fraction; Root exudates; Sandy soil; Steppe community; Water extract
Пројекти:
  • Екофизиолошке адаптивне стратегије биљака у условима мултипног стреса (RS-173018)
У: Allelopathy Journal (2016), 37(1): 1-18

WoS: 000370065800001

[ Google Scholar ]
URI
http://www.allelopathyjournal.org/archives/?Year=2016&Vol=37&Issue=1&Month=1
http://ibiss-r.rcub.bg.ac.rs/123456789/2621
APA:
Djurdjević, L., Gajic, G., Jaric, S., Kostic, O., Mitrovic, M., Oberan, L. & Pavlovic, P. (2016). Allelopathy of plants from Deliblato Sands-Serbia I. Allelopathic influence of Festuca vallesiaca. Allelopathy Journal, 37(1), 1-18.
Vancouver:
Djurdjevic L, Gajic G, Jaric S, Kostic O, Mitrovic M, Oberan Lj, Pavlovic P. Allelopathy of plants from Deliblato Sands-Serbia I. Allelopathic influence of Festuca vallesiaca. Allelopathy J. 2016;37(1):1-18.
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