Details of this species in Northland Region Status: Alien
Invasiveness: Invasive
Occurrence: Established
Source: NZ, DOC Arrival Date: 1890's
Introduction: Unknown Species Notes for this Location:
H. flavescens invades native forests where it may permanently displace uncommon plants or specialised plant communities. Management Notes for this Location:
Small seedlings can be pulled out by hand. Important to Remove rhizomes also. Do not compost, put out with domestic rubbish. Roundup, Escort and Amitrole sprayed lightly on leaves and roots will completely kill plant in three to four months. Impacts:
Competition: Produces massive branching rhizomes. These underground stems produce new buds and form a dense layer up to a metre thick, which other plants cannot penetrate.
Physical disturbance: Above ground wild ginger blocks the light and smothers native species. Last Modified: 20/10/2003 11:03:16 a.m.
|
