![]() It has the potential to become exceedingly invasive and detrimental to our native ecosystem if not contained and eradicated. The Army agreed to pause and re-evaluate its options to control this invasive plant which is a threat to several endangered species in the area.ĭevil Weed (Chromolaena Odorata), aka Siam weed and bitter bush, is a highly invasive pest and rates extremely high on the Hawaii Weed Risk Assessment. Of course, this description conjures up images of blanket crop dusting, which was never the plan. The proposed herbicide was Ranger Pro, which contains glyphosate.Ĭommunity opposition grew rapidly through social media when someone posted that widespread aerial spraying of 900 acres was to occur. The Army was planning to use a small utility helicopter equipped with an extendable boom and spray nozzle covered by cowling to target Devil Weed growing on the cliffs and rough terrain of Kaunala Valley, near the motocross track. An aerial spraying project by the Army to control one of the world’s worst 100 invasive species,ĭevil Weed, was put on hold until further notice, due to community concerns.
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