In order to prevent herbicide damage in young trees, especially from postemergence herbicide, standard pomological practice is to apply white latex paint to the bottom 2 to 3 feet of trunk of newly planted trees, before applying herbicides.
From the Western IPM Center November 2019 newsletter... Kochia is a tumbling weed plaguing growers and ranchers from Central Canada to West Texas. It's salt tolerant, heat tolerant, cold tolerant, said Kent Davis, a crop consultant with Crop Quest in Colorado.
Many factors make weed management on federal public lands an interesting challenge. In September I was invited to join one of the Sierra National Forest Rangeland Management Specialists to explore a medusahead infestation in one of the grazing allotments she manages.
