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Plant-Mediated Interactions Between ...

Matos Franco, Giovana,

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Plant-Mediated Interactions Between Herbivory and Soil Microbial Communities in Biocontrol Programs of Russian Knapweed /

Record Type:	Electronic resources : Monograph/item
Title/Author:	Plant-Mediated Interactions Between Herbivory and Soil Microbial Communities in Biocontrol Programs of Russian Knapweed // Giovana Matos Franco.
Author:	Matos Franco, Giovana,
Description:	1 electronic resource (144 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 85-11, Section: B.
Contained By:	Dissertations Abstracts International85-11B.
Subject:	Ecology. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31142791
ISBN:	9798382723396

Plant-Mediated Interactions Between Herbivory and Soil Microbial Communities in Biocontrol Programs of Russian Knapweed /
Matos Franco, Giovana,

Plant-Mediated Interactions Between Herbivory and Soil Microbial Communities in Biocontrol Programs of Russian Knapweed /Giovana Matos Franco. - 1 electronic resource (144 pages)

Source: Dissertations Abstracts International, Volume: 85-11, Section: B.

Russian knapweed (Rhaponticum repens) is an invasive noxious weed present in the United States and two insect biocontrol agents have been released to assist with its management: the gall midge (Jaapiella ivannikovi) and the gall wasp (Aulacidea acroptilonica). Since their establishment, no concrete impacts of biocontrol agents onto Russian knapweed have been measured, neither their impacts on interactions between Russian knapweed and local microbiomes. To address this knowledge gap, observational and manipulative studies were conducted to investigate the effects of biocontrol agents on Russian knapweed fitness as well as its associated microbiomes. We found that Russian knapweed associates with a core microbiome that can assist with invasion in the introduced range as well as, in root samples collected from sites where gall wasp were present, lower microbiome diversity was observed, indicating potential negative effects on overall plant health. In garden conditions, water availability positively correlated with plant growth, negatively correlated with insect establishment, and shaped microbiomes in root associated tissues. Results of this dissertation highlights how introduction of biocontrol agents shifts pre-established relationships between invasive plants and microbiomes as well as how such relationships could be impacting the success of biocontrol programs.

English

ISBN: 9798382723396Subjects--Topical Terms:

516476
Ecology.
Subjects--Index Terms:

Biocontrol agents

Plant-Mediated Interactions Between Herbivory and Soil Microbial Communities in Biocontrol Programs of Russian Knapweed /
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