Feeding behavior comparison of soybean aphid (Hemiptera: Aphididae) biotypes on different soybean genotypes

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dc.contributor.author Chandran, Predeesh
dc.contributor.author Reese, John C.
dc.contributor.author Khan, Shah Alam
dc.contributor.author Wang, Dechun
dc.contributor.author Schapaugh, William T., Jr.
dc.contributor.author Campbell, Leslie R.
dc.date.accessioned 2014-02-26T22:03:57Z
dc.date.available 2014-02-26T22:03:57Z
dc.date.issued 2014-02-26
dc.identifier.uri http://hdl.handle.net/2097/17191
dc.description.abstract Soybean aphids have become a serious pest of soybean, Glycine max L. (Merrill), since they were first detected in North America in 2000. Three soybean aphid biotypes have been documented in the United States in the last 10 yr, but few studies have been done on their feeding behavior in the United States The Electrical Penetration Graph is a convenient and successful tool to study the feeding behavior of piercing and sucking insects. This is the first attempt to study the feeding behavior differences between biotype 1 and biotype 2 on soybean genotypes using the Electrical Penetration Graph technique, and includes both resistant and susceptible soybean genotypes from Kansas and Michigan. The experiments were run for 9 h each for each genotype with a total of eight channels at a time. Results indicated that aphids feeding on susceptible genotypes had a significantly greater duration of sieve element phase than when feeding on resistant genotypes. Furthermore, the time taken to reach the first sieve element phase in resistant genotypes was significantly greater than in susceptible genotypes. Most of the aphids reached sieve element phase (>90%) in susceptible genotypes, but only a few (<30%) reached sieve element phase in resistant genotypes during the 9-h recording period; however, we found no differences in any other probing phases between resistant and susceptible genotypes except the number of potential drops in biotype 2. Thus, the resistance was largely associated with phloem tissues. Therefore, some biochemical, physical, or morphological factors could affect stylet penetration of aphids. en_US
dc.language.iso en_US en_US
dc.relation.uri http://www.bioone.org/doi/full/10.1603/EC13126 en_US
dc.rights Permission to archive granted by Entomological Society of America, January 22, 2014. This article is the copyright property of the Entomological Society of America and may not be used for any commercial or other private purpose without specific written permission of the Entomological Society of America. en_US
dc.subject EPG en_US
dc.subject Aphid biotype en_US
dc.subject Soybean Genotype en_US
dc.subject Feeding behavior en_US
dc.title Feeding behavior comparison of soybean aphid (Hemiptera: Aphididae) biotypes on different soybean genotypes en_US
dc.type Article (publisher version) en_US
dc.date.published 2013 en_US
dc.citation.doi doi:10.1603/EC13126 en_US
dc.citation.epage 2240 en_US
dc.citation.issue 5 en_US
dc.citation.jtitle Journal of Economic Entomology en_US
dc.citation.spage 2234 en_US
dc.citation.volume 106 en_US
dc.contributor.authoreid jreese en_US
dc.contributor.authoreid wts en_US


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