![]() ![]() It has a low hazard rating for mobility and persistence in soil. This resource has excellent photos of the cotyledons and bristly stem-hairs of wild mustard. An herbicide with aminopyralid is safe to use around grass and livestock. University of Michigan Integrated Pest Management wild mustard page. Contains extensive descriptions of chemical and non-chemical control. Profile on Wild Mustard from the Weed Report from Weed Control in Natural Areas in the Western United States. Leaves are dark green with pale patches, divided into 3 toothed leaflets. ![]() I Will Take Action herbicide resistance chart, accessed Sept 2 2020. Creeping buttercup, a King County Weed of Concern, is a low-growing perennial with creeping stolons that's found in rural and urban areas throughout King County, such as pastures, farmlands, natural wetlands, city gardens, and lawns. International Herbicide-Resistant Weed Database, accessed Sept 2 2020. Mohler on ecological management of weeds, from Cornell University Press. Many organic management suggestions are from Dr. ![]() Identification and control options for weeds common to turf, agriculture, and gardens in New York uses a very simple decision tree to identify your weed. The go-to for weed ID in the Northeast look for a new edition sometime in 2019.Ĭornell University’s Turfgrass and Landscape Weed ID app. Book published by Cornell University, Ithaca NY. You can also consider rotating to a late season crop and cultivating during the spring fallow period to flush and reduce the wild mustard seed bank.Īlthough there are currently no commercial biological control agents, ground beetles (carabids) do consume Wild Mustard seeds that lie on the soil surface. Throwing soil into the crop row as early as the crop can handle the disruption can bury emerging weed seedlings. In fields where wild mustard is a problem, plant large seeded crops a little deeper than usual and cultivate aggressively before the crop emerges. For example, densely planted cereal grains can out-compete wild mustard, as the grains overtop and reduce light for the weed. Shading reduces growth and seed production, so planting competitive crops where in problem fields can reduce weed-crop competition and wild mustard populations the following year. Nitrogen causes rapid growth of wild mustard, so in an infested field it helps to avoid over-fertilizing or side-dress later in the season. Wild mustard establishes quickly and can be very competitive, especially in high nitrogen fields.
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