![]() ![]() Please refer to E-434, "MSU Weed Control Guide for Field Crops," for herbicide recommendations. Control is greater when herbicides are applied to smaller wild mustard plants. Planting date: Later planting will reduce wild mustard populations.Īpplication timing and effectiveness: Several herbicides are effective for controlling wild mustard. Rotary Hoeing: Hoe before weeds exceed 1/4-inch in height, once established wild mustard is difficult to control.įlaming: Effective on small wild mustard.Ĭrop rotation: Corn-soybean rotations will deplete wild mustard populations more rapidly than continuous wheat. ![]() Tillage: Seedlings are readily killed by tillage. Predation/grazing: Ground beetles (carabids) eat wild mustard seed lying on the soil surface. Soybean yields were reduced 46% with 4 plants per yard of row and corn yields were reduced 1.5- to 2-fold and 5- to 6-fold at low and high wild mustard densities, respectively. Winter cereal yields were reduced 13 to 69%, when the biomass was comprised of 1 to 60% wild mustard. One of the more competitive weeds with small grains, soybean, and corn. Dormancy is broken by a combination of changes in temperature, light, and nitrate levels. Longevity: Low persistence - 50% of the seed bank is reduced in less than one year, and it takes seven years to reduce the seed bank 99%.ĭormancy: Initially dormant. Production Range: Approximately 1,200 seeds per plant.ĭispersal Mechanisms: Seed pod dehiscence (splitting open). Flowering peaks in June and July, but can continue until the first frost.Įmerges from soil depths of 1-inch or less. In Michigan, several populations of wild mustard act as a summer annual. Emerges in late summer, early fall or spring. Wild mustard ( Brassica kaber (D.C.) L.C. ![]()
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