The distribution and origins of Faúopia × bohemica (Polygonaceae) in Europe

Bailey, John P.; Wisskirchen, R.

doi:10.1111/j.1756-1051.2004.tb00832.x

Cited by 68 publications

(61 citation statements)

References 8 publications

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“…compacta and sachalinensis occur, 4 Â hybrids can occur with either taxon as the female parent, as confirmed by chloroplast haplotype studies (Hollingsworth et al, 1999). The origin of the 8 Â F. x bohemica is more complex (Bailey and Wisskirchen, 2006), but for the UK plants, the most straightforward explanation is the pollination of F. japonica var. japonica by an unreduced F. sachalinensis gamete.…”

Section: Hybrids Within Fallopia Section Reynoutriamentioning

confidence: 80%

The Japanese knotweed invasion viewed as a vast unintentional hybridisation experiment

Bailey

2012

Heredity

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Chromosome counts of plants grown from open-pollinated seed from Japanese knotweed around the world have revealed the presence of extensive hybridisation with both native and other introduced taxa. These hybrids fit into three categories: interand intraspecific hybrids involving the taxa of Fallopia section Reynoutria (giant knotweeds), hybrids between Japanese knotweed and F. baldschuanica (Regel) Holub and hybrids between Japanese knotweed and the Australasian endemics of the genus Muehlenbeckia. In this minireview, the viability of the different classes of hybrid and the potential threats they pose are discussed in the context of recent examples of allopolyploid speciation, which generally involve hybridisation between a native and an alien species. Such wide hybridisations also challenge accepted taxonomic classifications. Japanese knotweed s.l. provides a fascinating example of the interplay between ploidy level, hybridisation and alien plant invasion. The octoploid (2n ¼ 88) Fallopia japonica var. japonica (Houtt.) Ronse Decraene is a single female clone throughout much of its adventive range, and provides an ideal system for investigating the potential for wide hybridisation.

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Section: Hybrids Within Fallopia Section Reynoutriamentioning

confidence: 80%

The Japanese knotweed invasion viewed as a vast unintentional hybridisation experiment

Bailey

2012

Heredity

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“…More recent distribution data is available for F. 9 bohemica, and discussion of its world-wide distribution is found in Bailey and Wisskirchen (2006), see Fig. 1.…”

Section: Distribution Of Japanese Knotweed Sl In Europementioning

confidence: 98%

Asexual spread versus sexual reproduction and evolution in Japanese Knotweed s.l. sets the stage for the “Battle of the Clones”

2008

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“…Fallopia x bohemica (Polygonaceae) is one of the most widespread invasive species in Europe (Bailey and Wisskirchen 2006). This is a rhizomatous herbaceous plant, showing a high growth rate resulting in colonial stands with a huge above-ground and below-ground biomass.…”

Section: Introductionmentioning

confidence: 99%

Allelopathic effect of a native species on a major plant invader in Europe

Christina

Rouifed²,

Puijalon³

et al. 2015

Sci Nat

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Biological invasions have become a major global issue in ecosystem conservation. As formalized in the "novel weapon hypothesis", the allelopathic abilities of species are actively involved in invasion success. Here, we assume that allelopathy can also increase the biotic resistance of native species against invasion. We tested this hypothesis by studying the impact of the native species Sambucus ebulus on the colonization of propagules of the invasive species Fallopiaxbohemica and the subsequent development of plants from these. Achenes and rhizome fragments from two natural populations were grown in a greenhouse experiment for 50 days. We used an experimental design that involved "donor" and "target" pots in order to separate resource competition from allelopathy. An allelopathic treatment effect was observed for plant growth but not for propagule establishment. Treatment affected, in particular, the growth of Fallopia plants originating from achenes, but there was less influence on plants originating from rhizomes. By day 50, shoot height had decreased by 27% for plants originating from rhizomes and by 38% for plants originating from achenes. The number of leaves for plants originating from achenes had only decreased by 20%. Leaf and above- and below-ground dry masses decreased with treatment by 40, 41 and 25% for plants originating from rhizomes and 70, 61 and 55% for plants originating from achenes, respectively. S. ebulus extracts were analysed using high-performance chromatography, and the choice of test molecules was narrowed down. Our results suggest native species use allelopathy as a biotic containment mechanism against the naturalization of invasive species.

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The distribution and origins of Faúopia × bohemica (Polygonaceae) in Europe

Cited by 68 publications

References 8 publications

The Japanese knotweed invasion viewed as a vast unintentional hybridisation experiment

The Japanese knotweed invasion viewed as a vast unintentional hybridisation experiment

Asexual spread versus sexual reproduction and evolution in Japanese Knotweed s.l. sets the stage for the “Battle of the Clones”

Allelopathic effect of a native species on a major plant invader in Europe

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