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Steinernematid and heterorhabditid nematodes for biological control of the giant looper, Boarmia selenaria
Year:
1990
Source of publication :
Phytoparasitica
Authors :
Glazer, Itamar
;
.
Wysoki, Manes
;
.
Volume :
18
Co-Authors:
Glazer, I., Dept. of Nematology, ARO, Volcani Center, Bet Dagan, Israel
Wysoki, M., Dept. of Entomology, ARO, Volcani Center, Bet Dagan, Israel
Facilitators :
From page:
9
To page:
16
(
Total pages:
8
)
Abstract:
The pathogenicity of steinernematid and heterorhabditid nematodes to caterpillars of the giant looper, Boarmia selenaria (Schiffermüller) (Lepidoptera: Geometridae), was determined under laboratory conditions. High mortality (over 80%) was achieved, in a petri dish bioassay, with a minimum of 20,000 infective juveniles (IJ) of Steinernema carpocapsae (Filipjev) (= Neoaplectana carpocapsae Weiser), strain ‘All’. The LD50 was 4250 IJ per caterpillar. Similar results were obtained with S. carpocapsae, strain ‘Mexican’, Steinernema sp., strain ‘CR’; Heterorhabditis bacteriophora, strain ‘HP88’; and Heterorhabditis sp., strain ‘IS’. The first and second instars were the most susceptible stages to nematode infection. A laboratory model assay indicated that 80–90% of the caterpillars were killed when they migrated to the soil to pupate; this occurred when IJ were applied to sandy and heavy soils at a concentration of 400 IJ/cm3 soil. A greenhouse test reconfirmed the effectiveness of utilizing the entomopathogenic nematodes in an “ambush” system against caterpillars migrating to the soil. © 1990, Springer Science + Business Media B.V.. All rights reserved.
Note:
Related Files :
Bioassay
biological control
Entomopathogenic nematodes
pathogenicity to Boarmia selenaria
Show More
Related Content
More details
DOI :
10.1007/BF02980822
Article number:
0
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:

Itamar's own PDF.

ID:
29776
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:49
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Scientific Publication
Steinernematid and heterorhabditid nematodes for biological control of the giant looper, Boarmia selenaria
18
Glazer, I., Dept. of Nematology, ARO, Volcani Center, Bet Dagan, Israel
Wysoki, M., Dept. of Entomology, ARO, Volcani Center, Bet Dagan, Israel
Steinernematid and heterorhabditid nematodes for biological control of the giant looper, Boarmia selenaria
The pathogenicity of steinernematid and heterorhabditid nematodes to caterpillars of the giant looper, Boarmia selenaria (Schiffermüller) (Lepidoptera: Geometridae), was determined under laboratory conditions. High mortality (over 80%) was achieved, in a petri dish bioassay, with a minimum of 20,000 infective juveniles (IJ) of Steinernema carpocapsae (Filipjev) (= Neoaplectana carpocapsae Weiser), strain ‘All’. The LD50 was 4250 IJ per caterpillar. Similar results were obtained with S. carpocapsae, strain ‘Mexican’, Steinernema sp., strain ‘CR’; Heterorhabditis bacteriophora, strain ‘HP88’; and Heterorhabditis sp., strain ‘IS’. The first and second instars were the most susceptible stages to nematode infection. A laboratory model assay indicated that 80–90% of the caterpillars were killed when they migrated to the soil to pupate; this occurred when IJ were applied to sandy and heavy soils at a concentration of 400 IJ/cm3 soil. A greenhouse test reconfirmed the effectiveness of utilizing the entomopathogenic nematodes in an “ambush” system against caterpillars migrating to the soil. © 1990, Springer Science + Business Media B.V.. All rights reserved.
Scientific Publication
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