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Web URL(s):https://academic.oup.com/ee/article/28/5/876/386177/Effect-of-Temperature-and-Lepidopteran-Host
    Last checked: 05/15/2017
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    Notes: Guide page with abstract
Publication Type:
i
Refereed
Author(s):Gouge, Dawn H.; Lee, Linda L.; Henneberry, Thomas J.
Author Affiliation:Gouge: Texas Agricultural Extension Service, Texas A & M University System, Department of Entomology, College Station; Lee and Henneberry: Western Cotton Research Laboratory, USDA-ARS, Pacific West Area, Phoenix, AZ
Title:Effect of temperature and Lepidopteran host species on entomopathogenic nematode (Nematoda: Steinernematidae, Heterorhabditidae) infection
Section:Biological control
Other records with the "Biological control" Section
Source:Environmental Entomology. Vol. 28, No. 5, October 1999, p. 876-883.
# of Pages:8
Publishing Information:College Park, MD: Entomological Society of America
Keywords:TIC Keywords: Temperatures; Comparisons; Environmental effects; Infectivity; Biological control; Insect pests; Entomopathogenic nematodes; Steinernematidae; Heterorhabditidae; Lepidoptera; Spodoptera frugiperda
Abstract/Contents:"Experiments were conducted to determine the effect of temperature on entomopathogenic nematode infection of an insect host. Late instars of Pectinophora gossypiella (Saunders) (Lepidoptera: Gelechiidae), Heliothis virescens (F.) (Lepidoptera: Noctuidae), Trichoplusia ni (Hübner) (Lepidoptera: Noctuidae), and Spodoptera exigua (Hübner) (Lepidoptera: Noctuidae) were incubated at 10 temperatures ranging between 9.9 and 40°C, and exposed to 150 infective juvenile entomopathogenic nematodes (Nematoda: Steinernematidae; heterorhabditidae) per larva. The number of infecting Steinernema riobrave Cabanillas, Poinar & Raulston, S. carpocapsae (Weiser) (Kapow) and Heterorhabditis bacteriophora (Poinar) (Cruiser), nematodes was recorded. Temperature, nematode species, and target insect all significantly affected the number of infective juvenile nematodes invading host insects. The temperature supporting the highest levels of nematode infection varied depending on insect host species. Larvae of P. gossypiella were then incubated at the same range of temperatures, and exposed to 2 dose rates (100 and 200 infective juveniles per larva) of S. riobrave, S. carpocapsae (Guardian), H. bacteriophora (Cruiser), or H. bacteriophora (Lawn Patrol). Increasing nematode dosage had no effect on the temperature at which nematode infection of P. gossypiella was highest. Doubling the nematode dose rate did not result in a significant increase in the number of infective juveniles infecting larvae for the nematode species tested with the exception of S. riobrave. The optimum temperature for the control of insect targets by a nematode will vary among target species. Assuming existing nematode temperature optima and applying the same conditions to untested insect species may not result in maximum biocontrol efficacy."
Language:English
References:42
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Gouge, D. H., L. L. Lee, and T. J. Henneberry. 1999. Effect of temperature and Lepidopteran host species on entomopathogenic nematode (Nematoda: Steinernematidae, Heterorhabditidae) infection. Environ. Entomol. 28(5):p. 876-883.
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Web URL(s):
https://academic.oup.com/ee/article/28/5/876/386177/Effect-of-Temperature-and-Lepidopteran-Host
    Last checked: 05/15/2017
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
    Notes: Guide page with abstract
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MSU catalog number: SB 599 .E44
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