Case Studies
A Case Study in Rapid Response: Rauvolfia vomitoria
Big Island ranchers identified a new weed problem, Rauvolfia vomitoria, rapidly becoming a pest. Dr. James Leary, CTAHR Invasive Weed Specialist, conducted some herbicide field trials to attempt to quickly contain the infestation. This video describes the problem and shows the methods (broadcast application/spraying, frill and squirt) using triclopyr, imazapyr, and glyphosphate. [9:19 min]
RESULTS: Rauvolfia vomitoria 100 days later
Dr. James Leary, CTAHR Invasive Weed Specialist, observes the results of herbicide field trials to control a Rauvolfia vomitoria infestation on Hawaii Island 100 days later. This video describes the pros and cons of each treatment (broadcast application/spraying, frill and squirt) using triclopyr, imazapyr, and glyphosphate. [6:53 min]
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