Attached is a report of evaluations of fumigants dominus and TRX058 in flowers and strawberry. Neither product is registered today, but California DPR is considering the registration of dominus.
Biological control of water hyacinth in the Delta is being developed as part of an integrated, adaptive management plan for sustainable, long-term control of water hyacinth.
When I was an undergraduate back in Colorado, I spent the vast majority of two summers mapping the waterways of Boulder County for invasive species. It was an excellent experience which got me jazzed about weed science.