watergrass

Aggressive watergrass challenges California growers and researchers who seek effective control programs. • By Vicky Boyd, Editor • A new weed in the watergrass genus continues to bedevil California rice producers and researchers as they try to identify it and develop herbicide...

If the weed kingdom had a band of supervillains, barnyardgrass and watergrass would surely be members. These species that belong to the genus Echinochloa wield super powers and are the bane of rice growers. Herbicides, once the Kryptonite for these...

New grass species joins weedy rice as weeds that tested California growers and PCAs in 2018 • By Vicky Boyd, Editor • Although the number of rice acres in California infested with weedy rice — also known as red rice — has remained...

University of California Cooperative Extension farm advisor Whitney Brim-Deforest has been to several farm calls in the past few weeks about an unknown grass weed. Between last season and this, she has seen seven fields that appear to have bad...