Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 499485
Title Floral volatiles in parasitic plants of the orobanchaceae. Ecological and taxonomic implications
Author(s) Tóth, Peter; Undas, Anna K.; Verstappen, Francel; Bouwmeester, Harro
Source Frontiers in Plant Science 7 (2016). - ISSN 1664-462X
Department(s) Laboratory of Plant Physiology
RIKILT - Business unit Contaminants & Toxins
Publication type Refereed Article in a scientific journal
Publication year 2016
Keyword(s) Broomrapes - Floral scents - Orobanche - Phelipanche - Phylogenetic patterns - Taxonomy - Volatile organic compounds - Weeds

The holoparasitic broomrapes, Orobanche spp. and Phelipanche spp. (Orobanchaceae), are root parasites that completely depend on a host plant for survival and reproduction. There is considerable controversy on the taxonomy of this biologically and agronomically important family. Flowers of over 25 parasitic Orobanchaceae and a number of close, parasitic and non-parasitic, relatives emitted a complex blend of volatile organic compounds (VOCs), consisting of over 130 VOCs per species. Floral VOC blend-based phylogeny supported the known taxonomy in internal taxonomic grouping of genus and eliminated the uncertainty in some taxonomical groups. Moreover, phylogenetic analysis suggested separation of the broomrapes into two main groups parasitizing annual and perennial hosts, and for the annual hosts, into weedy and non-weedy broomrapes. We conclude that floral VOCs are a significant tool in species identification and possibly even in defining new species and can help to improve controversial taxonomy in the Orobanchaceae.

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