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Assessment of the biocontrol potential of natural enemies against psyllid populations in a pear tree orchard during spring
Pest management science, 2021-05, Vol.77 (5), p.2358-2366
Gajski, Domagoj
Pekár, Stano
2021
Volltextzugriff (PDF)
Details
Autor(en) / Beteiligte
Gajski, Domagoj
Pekár, Stano
Titel
Assessment of the biocontrol potential of natural enemies against psyllid populations in a pear tree orchard during spring
Ist Teil von
Pest management science, 2021-05, Vol.77 (5), p.2358-2366
Ort / Verlag
Chichester, UK: John Wiley & Sons, Ltd
Erscheinungsjahr
2021
Quelle
Wiley Online Library All Journals
Beschreibungen/Notizen
BACKGROUND Modern pest control management systems are based on the support of naturally occurring arthropod predators, as it has been shown that such predators offer an important ecosystem service. However, most naturally occurring arthropod predators are generalists (euryphagous). Their role in the biological control of specific pests has been recognized but remains poorly studied. Here, we focused on the naturally occurring arthropod predators of psyllids – the main insect pest of pear trees. We investigated the abundance of psyllids and all of their potential enemies in an abandoned pear orchard on a weekly basis from early spring to early summer. In addition, employing polymerase chain reaction diagnostics and specific primers, we investigated the predation rate on psyllids in all predators collected. RESULTS We found four predatory groups: spiders were the most abundant (60%, N = 756), followed by coccinellid beetles, anthocorid bugs and cantharid beetles. Anthocorids and spiders had the highest predation rates among the predatory groups. Among spiders, >50% of foliage‐dwelling spiders (belonging to the genera Philodromus and Clubiona; N = 206) were positive for psyllids and showed a numerical response to the abundance of psyllids. CONCLUSION We conclude that foliage‐dwelling spiders are, of the four groups, the most important natural enemies of psyllids on pear trees during spring in Central Europe, as they outnumber specialized Anthocoris bugs. © 2021 Society of Chemical Industry Foliage‐dwelling spiders are the most important natural enemies of psyllids on pear trees during spring in central Europe, as they outnumber other more specialized predators.
Sprache
Englisch
Identifikatoren
ISSN: 1526-498X
eISSN: 1526-4998
DOI: 10.1002/ps.6262
Titel-ID: cdi_proquest_miscellaneous_2476564982
Format
–
Schlagworte
Abundance
,
Addition polymerization
,
Animals
,
Anthocoris
,
Arthropods
,
Beetles
,
Biological control
,
Coleoptera
,
Ecosystem
,
Ecosystem services
,
Europe
,
Foliage
,
Fruit trees
,
Fruits
,
Hemiptera
,
Insects
,
Leaves
,
Management systems
,
molecular gut content analysis
,
Natural enemies
,
pear orchard
,
Pest control
,
Pests
,
Polymerase chain reaction
,
Predation
,
Predators
,
Predatory Behavior
,
psyllids
,
Pyrus
,
Spiders
,
Spring
,
Trees
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