UC Weed Science (weed control, management, ecology, and minutia)

Concerns about a growing resistance to herbicides In Mediterranean or arid climates, particularly in areas with marginal soils, crop rotations are often limited to a narrow range of hay, pasture, a handful of winter legumes, or rainy-season grasses.

From the Weeders of the West (WoW) blog March 11, 2021 Marcelo Moretti is a Professor in the Dept. of Horticulture at Oregon State University and an alumnus of UC Davis and California State University, Fresno.

One response to the suggestion that an herbicide be used to control aquatic weed problems in water is concern that the treatment will reduce the dissolved oxygen content of the water, with possible adverse effects on fish and other aquatic biota.

Good stand establishment is important for alfalfa production and can impact crop productivity for years. Weed competition during stand establishment may be irreversible because it impedes root growth, results in thinner alfalfa stands, and can lower forage quality.

The Weed Science Society of America honored Whitney Brim-DeForest, UCCE rice and wild rice advisor for Sutter, Yuba, Placer and Sacramento counties, with its award for Outstanding Paper: Weed Science. The award-winning paper, Phenotypic Diversity of Weedy Rice (Oryza sativa f.