Technical note: Standing crop of Reynoutria japonica in the autumn of 1991 in the United Kingdom

John H. Brock 1

Affiliations

  1. School of Planning and Landscape Architecture, Arizona State University, Tempe, AZ 85287-2005, USA I
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Abstract

Standing crop of Reynoutria japonica (Japanese knotweed) was measured from randomly located plots of 2 sites in the United Kingdom in the autumn of 1991. One site was in southern Wales and the other site was in central England. Aerial biomass averaged 9365 kg/ha and root+ rhizome biomass, to a depth of 25 cm, averaged 14677 kg/ha.

Keywords

Reynoutria japonica, invasive weed, alien plant, riparian habitat, aerial biomass, root and rhizome biomass, United Kingdom

How to cite

Brock J. H. (1994) Technical note: Standing crop of Reynoutria japonica in the autumn of 1991 in the United Kingdom. – Preslia 66: 337–343