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A mechanistic physiological model for the growth of bracken has been developed which describes its yearly cycle in terms of three compartments: frond ...Read more
Farmers' perceptions of the extent of bracken (Pteridium aquilinum) encroachment on upland farms was summarized from a postal questionnaire done in 19...Read more
A mechanistic, physiological model has been developed to describe the yearly growth cycle of bracken, and it has been adapted to run using nationally ...Read more
A field experiment conducted in Oregon tested the independent and combined effects of Tyria jacobaeae and Longitarsus jacobaeae on ragwort (Senecio ja...Read more
The effect of three weed control treatments on the rhizome system of bracken (Pteridium aquilinum) was assessed in field trials at Cavenham and Weetin...Read more
In trials in the Breckland region (Suffolk/Norfolk border), UK in 1978-88 on Calluna vulgaris heathland and grass (dominated by Festuca ovina) heathla...Read more
Field trials were conducted on Calluna and grassland heaths in the UK (Cavenham and Weeting Heaths, resp.) to compare bracken [Pteridium aquilinum] co...Read more
The density of Pteronia pallens (Asteraceae), a shrub toxic to sheep, increased in Karoo rangeland at the expense of a congeneric palatable shrub, P. ...Read more