Efficacy of Entomopathogenic Nematodes against Soil-Dwelling Life Stages of Western Flower Thrips, Frankliniella occidentalis (Thysanoptera: Thripidae)

Ebssa, Lemma; Borgemeister, Christian; Berndt, Oliver; Poehling, Hans‐Michael

doi:10.1006/jipa.2001.5051

Cited by 62 publications

(48 citation statements)

References 23 publications

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“…This nematode lives in symbiosis with the bacterium Xenorhabdus bovienii (Poinar, 1988). The nematode was first recorded in 1934, and its applied value in biological control of insect pests is well known (Ebssa, 2001). Some researchers have reported that S. feltiae, S. intermedium (or C1) and S. affine tend to appear on agricultural land (Sturhan, 1996).…”

Section: Discussionmentioning

confidence: 99%

First record of Steinernema feltiae (Filipjev) (Rhabditida: Steinernematidae) in Slovenia

Laznik

Tóth²,

Lakatos³

et al. 2009

Helminthologia

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In October 2007 we examined 80 soil samples from 16 different locations in the central part of Slovenia (the Notranjska region) and confirmed the presence of entomopathogenic nematodes only in two soil samples. This represents the first recorded instance of an entomopathogenic nematode in Slovenia. In sample B30 we confirmed the presence of Steinernema feltiae (Rhabditida: Steinernematidae) by means of a molecular technique. In Slovenia the application of entomopathogenic nematodes was hitherto possible only in laboratory experiments, while the Rules on Biological Plant Protection made the practical application of exotic organisms in the domestic environment entirely impossible. After the first record of the entomopathogenic nematode S. feltiae we expect the aformentioned agent to become an important alternative to insecticides in plant protection against pest insects.

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Section: Discussionmentioning

confidence: 99%

First record of Steinernema feltiae (Filipjev) (Rhabditida: Steinernematidae) in Slovenia

Laznik

Tóth²,

Lakatos³

et al. 2009

Helminthologia

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“…This nematode lives in symbiosis with bacterium Xenorhabdus bovienii (Poinar, 1988). The nematode was first recorded in 1934, and its appliable value in biological control of insect pests is well known (Ebssa, 2001). Some researchers reported that S. feltiae, S. intermedium (or C1) and S. affine like to appear on agricultural land (Sturhan, 1996).…”

Section: Discussionmentioning

confidence: 99%

Entomopathogenic nematode Steinernema feltiae (Filipjev) (Rhabditida: Steinernematidae) recorded for the first time in Slovenia

Laznik¹,

Tóth²,

Lakatos³

et al. 2008

Acta Agriculturae Slovenica

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In Slovenia only recently entomopathogenic nematodes were recorded for the first time. In the beginning of 2007, the presence of Steinernema affine was confirmed. During the further investigations in the same year Steinernema feltiae was recorded on the arable field near Cerknica. In the previous year this field was planted with chicory. In Slovenia, until now the entomopathogenic nematodes had a status of an exotic agents and their use was allowed only in the laboratory experiments. We expect that in Slovenia the use of these biological agents against insect pests will become important alternative to insecticides as it is known in many other countries of the world. Key wordsbiological control, entomopathogenic nematodes, exotic agents, Slovenia, Steinernema affine, Steinernema feltiae IZVLEČEK ENTOMOPATOGENA OGORČICA Steinernema feltiae (Filipjev) (Rhabditida: Steinernematidae) PRVIČ UGOTOVLJENA V SLOVENIJI V Sloveniji so bile entomopatogene ogorčice prvič ugotovljene šele nedavno. V začetku leta 2007 je bila potrjena zastopanost vrste Steinernema affine, med nadaljnjimi raziskavami v istem letu pa je bila na njivi v bližini Cerknice najdena tudi ogorčica Steinernema feltiae. Na omenjenem zemljišču so leto prej pridelovali radič. Doslej so imele entomopatogene ogorčice v Sloveniji status tujerodnih organizmov, njihova uporaba pa je bila dovoljena le v laboratorijskih poskusih. Pričakujemo, da bo v Sloveniji uporaba omenjenih naravnih sovražnikov škodljivih žuželk postala pomembna alternativa insekticidom, kar je sicer že znano v številnih drugih državah sveta.

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“…We note that western flower thrips and many other damaging Thysanoptera species (Tommasini and Maini, 1995) pupate in the soil. Furthermore, thrips in pre-pupal and pupal stages are especially susceptible to EPN infection (Ebssa et al, 2001) and are almost immobile.…”

Section: Discussionmentioning

confidence: 99%

First results concerning the efficacy of entomopathogenic nematodes against Hercinothrips femoralis (Reuter)

Trdan¹,

KuŽNik²,

Vidrih³

2007

Acta Agriculturae Slovenica

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The efficacy of the entomopathogenic nematodes Steinernema feltiae and Heterorhabditis bacteriophora against larvae and adults of banded greenhouse thrips, Hercinothrips femoralis, was studied under laboratory conditions. The activity of the biological agents under study was determined at three different temperatures (15, 20, and 25°C), with concentration of 200 infective juveniles per individual (larva or adult), a day:night ratio of 4:20 and relative humidity of 95 %. The experiment was conducted in plastic rearing vessels on French bean leaves with a slightly modified version of a method used for studying the bionomics of thrips. The mortality rate of the thrips was determined four days after the application of the nematode suspension. Temperature had significant influence on adult pest mortality, but no significant effects were found with nematode species. Neither temperature nor nematode species had significant effect on larval mortality, which ranged from 23 % (S. feltiae at 25°C) to approximately 50 % (H. bacteriophora at 15 and 25°C). Mortality of adults was significantly influenced only by temperature, with the nematodes being most efficient at 25°C (approximately 30 % mortality by H. bateriophora). The results of our research showed that foliar application of entomopathogenic nematodes might be a relatively efficient way for controlling H. femoralis, but the optimization of environmental factors would likely improve their efficacy further.

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Efficacy of Entomopathogenic Nematodes against Soil-Dwelling Life Stages of Western Flower Thrips, Frankliniella occidentalis (Thysanoptera: Thripidae)

Cited by 62 publications

References 23 publications

First record of Steinernema feltiae (Filipjev) (Rhabditida: Steinernematidae) in Slovenia

First record of Steinernema feltiae (Filipjev) (Rhabditida: Steinernematidae) in Slovenia

Entomopathogenic nematode Steinernema feltiae (Filipjev) (Rhabditida: Steinernematidae) recorded for the first time in Slovenia

First results concerning the efficacy of entomopathogenic nematodes against Hercinothrips femoralis (Reuter)

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