Výsledky vyhledávání - "Robert Wiedemann"

Oligosaccharide synthesis regulates gut osmolality in the ant-attended aphid Metopeurum fuscoviride but not in the unattended aphid Macrosiphoniella tanacetaria

Autor: Robert Wiedemann, Joseph Woodring, Wolfgang Völkl, Klaus H. Hoffmann

Publikováno v: Journal of Applied Entomology. 131:1-7

An artificial phloem sap (APS) for Metopeurum fuscoviride and Macrosiphoniella tanacetaria, based on analysis of their host plant, Tanacetum vulgare, phloem sap, contained 308 lg/ll (900 lmol/ll) sucrose (and no other sugars) and a mixture of 14 amin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f6ba2dbd47cea3ab1aaba8bfd143b102
https://doi.org/10.1111/j.1439-0418.2006.01091.x

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Honeydew amino acids in relation to sugars and their role in the establishment of ant-attendance hierarchy in eight species of aphids feeding on tansy (Tanacetum vulgare)

Autor: Wolfgang Völkl, Klaus H. Hoffmann, Robert Wiedemann, Joseph Woodring, Melanie K. Fischer

Publikováno v: Physiological Entomology. 29:311-319

The ratio of the concentration of honeydew total amino acids to total sugars in the honeydew of eight species of aphids, all feeding on tansy, Tanacetum vulgare (L.), was determined and correlated with honeydew production and ant-attendance. The hone

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bcd575a6b9a9a870c1697a1e2bf11d35
https://doi.org/10.1111/j.0307-6962.2004.00386.x

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