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DOI:10.1093/ee/nvx102
Web URL(s):https://academic.oup.com/ee/article-lookup/doi/10.1093/ee/nvx102
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Publication Type:
i
Refereed
Author(s):Coy, Richard Murphey; Held, David W.; Kloepper, Joseph W.
Author Affiliation:Department of Entomology and Plant Pathology, Auburn University, Auburn, AL
Title:Bacterial inoculant treatment of bermudagrass alters ovipositional behavior, larval and pupal weights of the fall armyworm (Lepidoptera: Noctuidae)
Column Name:Plant-insect interactions
Other records with the "Plant-insect interactions" Column
Source:Environmental Entomology. Vol. 46, No. 4, August 2017, p. 831-838.
# of Pages:8
Publishing Information:College Park, Maryland: Entomological Society of America
Keywords:TIC Keywords: Biological control organisms; Cynodon; Growth promoters; Inoculation; Ovipositional preferences; Population dynamics; Rhizobacteria; Spodoptera frugiperda
Abstract/Contents:"Nonpathogenic soil bacteria can colonize the rhizosphere and induce unique plant phenotypes that may influence plant-insect interactions. However, few studies have considered the influences of bacteria-plant interactions on insect feeding and oviposition. The objective of this study was to determine how rhizobacterial inoculation of bermudagrass affects larval development and ovipositional behaviors of the fall armyworm (Spodoptera frugiperda J.E. Smith). Eight blends of rhizobacteria known to induce root or shoot growth in grasses were applied weekly to hybrid bermudagrass for 5 wk. Oviposition was evaluated in two no-choice trials with bacteriatreated, fertilized, or nontreated grass. Grass blades from these treatments were extracted in polar and nonpolar solvents and assayed for oviposition responses. Another experiment compared the development of fall armyworm larvae on bermudagrass treated with each of the eight rhizobacterial blends for 5 wk to larvae fed nontreated bermudagrass. Females deposited more eggs on nontreated and fertilized grass and ≤34% of eggs on grass treated with rhizobacterial blends. Moths exposed to polar and nonpolar extracts were unable to reproduce these results. Larval and pupal weights at days 10 and 12 and the number of adults to eclose were lower for larvae fed some, but not all, bacteria-treated bermudagrass relative to controls. This is one of the few studies to investigate plant-microbe-insect interactions in an economically important system. Although the effects noted with fall armyworm are limited, induced changes in roots also reported for these bacteria may have greater utility than foliar changes for mediating interactions with biotic or abiotic stresses."
Language:English
References:37
Note:Tables
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Coy, R. M., D. W. Held, and J. W. Kloepper. 2017. Bacterial inoculant treatment of bermudagrass alters ovipositional behavior, larval and pupal weights of the fall armyworm (Lepidoptera: Noctuidae). Environ. Entomol. 46(4):p. 831-838.
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DOI: 10.1093/ee/nvx102
Web URL(s):
https://academic.oup.com/ee/article-lookup/doi/10.1093/ee/nvx102
    Last checked: 07/12/2017
    Access conditions: Item is within a limited-access website
https://academic.oup.com/ee/article-pdf/doi/10.1093/ee/nvx102/17845557/nvx102.pdf
    Last checked: 07/12/2017
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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