Spikerush, Eleocharis obtusa
Seedling
leaf has parallel veins and shiny surface
is 3-sided, narrow, and pointed
Stem is round in cross section
not pithy
Mature plant
lacks leaves
grows up to 18 inches tall
terminates in a dense flower head
Management
Let soil dry out completely after tilling and before planting to partially control
Maintain water level at 4 inch depth during the first month of rice establishment
Herbicides, properly timed
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