Biocontrol, ( ISI ), Volume (59), No (2), Year (2014-4) , Pages (367-375)

Title : ( The impact of the flower mite Aceria acroptiloni on the invasive plant Russian knapweed, Rhaponticum repens, in its native range )

Authors: Ghorban Ali Asadi , Reza Ghorbani , Massimo Cristofaro , Philipp Chetverikov , Radmila Petanovic , Biljana Vidovic , Urs Schaffner ,

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Rhaponticum repens (L.) Hidalgo is a clonal Asteraceae plant native to Asia and highly invasive in North America. We conducted open-field experiments in Iran to assess the impact of the biological control candidate, Aceria acroptiloni Shevchenko & Kovalev (Acari, Eriophyidae), on the target weed. Using three different experimental approaches, we found that mite attack reduced the biomass of R. repens shoots by 40-75%. Except for the initial year of artificial infestation by A. acroptiloni of R. repens shoots, the number of seed heads was reduced by 60–80% and the number of seeds by 95–98%. Morphological investigations of the mite complex attacking R. repens at the experimental field site revealed that A. acroptiloni was by far the dominant mite species. We conclude that the mite A. acroptiloni is a promising biological control candidate inflicting significant impact on the above-ground biomass and reproductive output of the invasive plant R. repens.

Keywords

, Above-ground biomass, Acari, Acroptilon, Asteraceae, classical biological control, pre-release studies, seed
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@article{paperid:1040917,
author = {Asadi, Ghorban Ali and Ghorbani, Reza and Massimo Cristofaro and Philipp Chetverikov and Radmila Petanovic and Biljana Vidovic and Urs Schaffner},
title = {The impact of the flower mite Aceria acroptiloni on the invasive plant Russian knapweed, Rhaponticum repens, in its native range},
journal = {Biocontrol},
year = {2014},
volume = {59},
number = {2},
month = {April},
issn = {1386-6141},
pages = {367--375},
numpages = {8},
keywords = {Above-ground biomass; Acari; Acroptilon; Asteraceae; classical biological control; pre-release studies; seed production},
}

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%0 Journal Article
%T The impact of the flower mite Aceria acroptiloni on the invasive plant Russian knapweed, Rhaponticum repens, in its native range
%A Asadi, Ghorban Ali
%A Ghorbani, Reza
%A Massimo Cristofaro
%A Philipp Chetverikov
%A Radmila Petanovic
%A Biljana Vidovic
%A Urs Schaffner
%J Biocontrol
%@ 1386-6141
%D 2014

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