Migration flight of carrot psyllid (Trioza apicalis) at various latitudes is independent of local phenology

A particularly advantageous method of monitoring the flight and calculating the median was used. An example is given in order to understand better the calculation. The medians show that the timing is similar at different latitudes despite local phenological differences. The difference in median flig...

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Main Author: Pavel LÁSKA
Format: Article
Language:English
Published: Czech Academy of Agricultural Sciences 2013-12-01
Series:Plant Protection Science
Subjects:
Online Access:https://pps.agriculturejournals.cz/artkey/pps-201304-0006_migration-flight-of-carrot-psyllid-trioza-apicalis-at-various-latitudes-is-independent-of-local-phenology.php
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author Pavel LÁSKA
author_facet Pavel LÁSKA
author_sort Pavel LÁSKA
collection DOAJ
description A particularly advantageous method of monitoring the flight and calculating the median was used. An example is given in order to understand better the calculation. The medians show that the timing is similar at different latitudes despite local phenological differences. The difference in median flight times between Finland and the Czech Republic was five days on average, but phenological differences are about a month, shown by a comparison of temperatures, the monitoring of buds on spruce, and by the stage of the carrot plants. During the attack by T. apicalis the carrot plants are younger towards north what is unusual in Psyllidae. In extreme north locations as Finland the genetic triggering for flight could not be realised by the strong declining of temperatures. Flight occurs here substantially later as to local photoperiodicity but is the earliest as to phenology, including carrot plants. The very small plants during flight are much more damaged here than the well-developed plants in central Europe.
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spelling doaj.art-ab97590caa1146f2a374c721caa909632023-02-23T03:44:08ZengCzech Academy of Agricultural SciencesPlant Protection Science1212-25801805-93412013-12-0149418719210.17221/91/2012-PPSpps-201304-0006Migration flight of carrot psyllid (Trioza apicalis) at various latitudes is independent of local phenologyPavel LÁSKA0Department of Zoology, Faculty of Sciences, Palacky University in Olomouc, Olomouc, Czech RepublicA particularly advantageous method of monitoring the flight and calculating the median was used. An example is given in order to understand better the calculation. The medians show that the timing is similar at different latitudes despite local phenological differences. The difference in median flight times between Finland and the Czech Republic was five days on average, but phenological differences are about a month, shown by a comparison of temperatures, the monitoring of buds on spruce, and by the stage of the carrot plants. During the attack by T. apicalis the carrot plants are younger towards north what is unusual in Psyllidae. In extreme north locations as Finland the genetic triggering for flight could not be realised by the strong declining of temperatures. Flight occurs here substantially later as to local photoperiodicity but is the earliest as to phenology, including carrot plants. The very small plants during flight are much more damaged here than the well-developed plants in central Europe.https://pps.agriculturejournals.cz/artkey/pps-201304-0006_migration-flight-of-carrot-psyllid-trioza-apicalis-at-various-latitudes-is-independent-of-local-phenology.phpdaucus carotamedianmonitoring of psyllidsphotoperiodfinlandczech republic
spellingShingle Pavel LÁSKA
Migration flight of carrot psyllid (Trioza apicalis) at various latitudes is independent of local phenology
Plant Protection Science
daucus carota
median
monitoring of psyllids
photoperiod
finland
czech republic
title Migration flight of carrot psyllid (Trioza apicalis) at various latitudes is independent of local phenology
title_full Migration flight of carrot psyllid (Trioza apicalis) at various latitudes is independent of local phenology
title_fullStr Migration flight of carrot psyllid (Trioza apicalis) at various latitudes is independent of local phenology
title_full_unstemmed Migration flight of carrot psyllid (Trioza apicalis) at various latitudes is independent of local phenology
title_short Migration flight of carrot psyllid (Trioza apicalis) at various latitudes is independent of local phenology
title_sort migration flight of carrot psyllid trioza apicalis at various latitudes is independent of local phenology
topic daucus carota
median
monitoring of psyllids
photoperiod
finland
czech republic
url https://pps.agriculturejournals.cz/artkey/pps-201304-0006_migration-flight-of-carrot-psyllid-trioza-apicalis-at-various-latitudes-is-independent-of-local-phenology.php
work_keys_str_mv AT pavellaska migrationflightofcarrotpsyllidtriozaapicalisatvariouslatitudesisindependentoflocalphenology