Spraying starts to limit water weed’s reach

Friday, March 29, 2013

A new five-year permit should allow state waterway officials to get an early start in the fight against an invasive water weed that threatens to choke off local businesses on the Sacramento-San Joaquin Delta.

The California Department of Boating and Waterways recently received the permit to spray two herbicides from March 18 to Nov. 30 on the water hyacinth — a plant species indigenous to South America that was introduced into the Delta more than 100 years ago.