Angiopteris evecta
king fern
Introduced and now reproducing on its own in the wild.
Angiopteris evecta, commonly known as the giant fern, is a rare plant occurring in eastern and northern Australia and the Malay Peninsula. Also found growing in nearby islands such as Borneo, Sumatra, New Guinea and various places in Polynesia, Melanesia and Madagascar. Listed as endangered in New South Wales, where it has been recorded growing in sub tropical rainforest, in the valley of the Tweed River. It is an invasive species in Hawaii and Jamaica.
Read more on Wikipedia →Only 0 phenology-annotated observations exist for this species in Hawaiʻi — too few to describe a season. No window is inferred.
Controlling Angiopteris evecta
Best reported: IPA-Incision Point Application with 100% IMZ — one report from NEPM.
5.0IPA-Incision Point Application100% IMZImazapyrG2
- 5successful. Recommended method · NEPM · trial · 2015-02-26
apply to top of brain and/or new crozier, 10-15 ml depending on size, works on small to large but XXL may not be as effective. Trialing additional dose rates w KMWP
4.0foliar2% IMZ (Habitat)ImazapyrG2
- 4more than moderate satisfaction · NEPM · observed · 2015-02-26
Aerial spray. Good for inaccessible areas, has non-target impacts and dense stands need to be retreated
4.0foliar10% G4 in waterTriclopyrG4
- 4more than moderate satisfaction · OANRP · observed · 2015-02-23
for immature, small plants worked ok
4.0cut-stumpG4 20%, 80% BiodieselTriclopyrG4
- 4more than moderate satisfaction · OANRP · observed
handsaw each stipule and apply herbicide to the cut
3.5IPA-Incision Point Application100% PolarisImazapyrG2
- 4more than moderate satisfaction · KMWP · trial · 2018-01-29
Trial was done on large size classses >0.1m3. Results show death at 20ml of Polaris/Polaris AC with incisions around the whole brain.
- 3moderate satisfaction · KMWP · trial · 2015-02-23
plant is rotted at meristem but some new growth
2.0IPA-Incision Point Application100% MilestoneAminopyralidG4
- 2minimal satisfaction · KMWP · trial · 2015-02-23
does not completely kill plant. Major deformities
Ratings are the reporting organisation’s own, on a 5-point scale. Always follow the product label — the label is the law. See these 7 rows in the full table
