Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Seasonal Abundance of Psyllid Species Associated with Carrots and Potato Fields in Spain

Carlos Andres Antolinez
ORCID logo ,
Aranzazu Moreno
,
Irene Ontiveros
,
Sandra Pla
,
Maria Plaza
,
Susana Sanjuan
,
Jose L Palomo
,
Jennifer Sjölund
,
Jason Sumner-Kalkun
,
Yvonne Arnsdorf
,
Colin Jeffries
,
David Ouvrard
ORCID logo ,
Alberto Fereres
* ORCID logo
Version 1 : Received: 4 July 2019 / Approved: 8 July 2019 / Online: 8 July 2019 (03:24:52 CEST)

A peer-reviewed article of this Preprint also exists.

Antolínez, C.A.; Moreno, A.; Ontiveros, I.; Pla, S.; Plaza, M.; Sanjuan, S.; Palomo, J.L.; Sjölund, M.J.; Sumner-Kalkun, J.C.; Arnsdorf, Y.M.; Jeffries, C.J.; Ouvrard, D.; Fereres, A. Seasonal Abundance of Psyllid Species on Carrots and Potato Crops in Spain. Insects 2019, 10, 287. Antolínez, C.A.; Moreno, A.; Ontiveros, I.; Pla, S.; Plaza, M.; Sanjuan, S.; Palomo, J.L.; Sjölund, M.J.; Sumner-Kalkun, J.C.; Arnsdorf, Y.M.; Jeffries, C.J.; Ouvrard, D.; Fereres, A. Seasonal Abundance of Psyllid Species on Carrots and Potato Crops in Spain. Insects 2019, 10, 287.

Abstract

Psyllids (Hemiptera: Psylloidea) can transmit the phloem restricted bacterium ‘Candidatus Liberibacter solanacearum’ (Lso). In Europe, Lso causes severe losses to carrot and represents a threat to the potato industry. A rising concern of Lso transmission from carrot to potato and within potato has driven the need for monitoring populations of psyllid species that could serve as vectors on both crops, which would provide a fundamental understanding of the epidemiology of this pathogen. Different sampling methods were used to survey populations of psyllid species in commercial carrot and potato fields in Central and Eastern mainland Spain from 2015 to 2017. Two psyllid species, Bactericera trigonica and Bactericera nigricornis were found to be mainly associated with carrot and potato crops. In carrot fields the most abundant species was B. trigonica occurring from crop emergence to harvest, whereas in potato crops the most abundant psyllid species was B. nigricornis. The maximum psyllid population occurred between June and October its timing depending on the field location. Since B. nigricornis was found on both carrot and potato and is the only psyllid species able to feed and breed on both these crops in Europe, there is the potential risk of Lso transmission from carrot to potato

Keywords

Candidatus Liberibacter solanacearum; vector-transmission; Bactericera trigonica; Bactericera nigricornis; psyllid yellows; vector abundance; Zebra chip; population dynamics

Subject

Biology and Life Sciences, Insect Science

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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