NDLI: The austral thrush (Turdus falcklandii) reduces the seed germination for the urban ornamental tree glossy privet (Ligustrum lucidum) in Santiago, Chile

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The austral thrush (Turdus falcklandii) reduces the seed germination for the urban ornamental tree glossy privet (Ligustrum lucidum) in Santiago, Chile

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Brazilian Journal of Botany : Volume 39, Issue 2, June 2016

Brazilian Journal of Botany : Volume 39, Issue 1, March 2016

Brazilian Journal of Botany : Volume 38

Brazilian Journal of Botany : Volume 37

Brazilian Journal of Botany : Volume 36

The austral thrush (Turdus falcklandii) reduces the seed germination for the urban ornamental tree glossy privet (Ligustrum lucidum) in Santiago, Chile

Content Provider	Springer Nature Link
Author	Castro, Sergio A. Vergara, Pablo M. Saavedra, Diego Gutiérrez Tapia, Pablo
Copyright Year	2016
Abstract	Seed dispersal by endozoochory is an important mechanism promoting the spread of exotic fleshy-fruit plants. Although the invasiveness of glossy privet (Ligustrum lucidum W.T. Aiton) in several regions has been associated with the presence of disperser birds, only a few studies have examined their seed germination after dispersal. In Central Chile, the privet grown is an ornamental species, but to date, it has not been observed to settle in natural or seminatural habitats. In Santiago city, the fruits of glossy privet are mainly consumed by the austral thrush (Turdus falcklandii Quoy & Gaimard), which could act as dispersers of their seeds. For this reason, we analyzed the role of endozoochory by the austral thrushes on the germination of glossy privet. We collected seeds from trees and feces of austral thrushes, and then we compared their viabilities and germination percentages. Viability was established using the tetrazolium test, while germination was studied using a factorial experiment (10 seeds in Petri dishes, replicated nine times for both sources). Our results showed that the germination of seeds from feces (58.3 %) was 12 % lower than those from trees (77.7 %), indicating that austral thrushes reduces significantly the germination percentage of the glossy privet. The viabilities of seeds from fruits and feces were 100 %. Because these values may be high enough to allow the population establishment, we suggest that further studies are necessary to examine the role of the endozoochory in the (unsuccessful) spread of the glossy privet in Chile.
Starting Page	949
Ending Page	952
Page Count	4
File Format	PDF
ISSN	01008404
Journal	Brazilian Journal of Botany
Volume Number	39
Issue Number	3
e-ISSN	18069959
Language	English
Publisher	Springer International Publishing
Publisher Date	2016-05-27
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Plant Systematics/Taxonomy/Biogeography Alien tree Urban ecology Endozoochory Fleshy fruit Native bird
Content Type	Text
Resource Type	Article
Subject	Plant Science

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