Cupgrasses
Common: Southwestern Cupgrasses, Woolly cupgrasses
Scientific: Eriochloa gracilis, Eriochloa villosa
Affected Crops: Corn, soybeans.
Identification:
- Southwestern - Seedlings look similar to large Crabgrass but are lighter green and there is an absence of hairs. The leaves are smooth.
- Woolly - The erect annual grows to a height of 3
feet. It reproduces by seed and by prostrate stems that root at the
nodes. Seedling is very thin and covered with hairs. Leaves are 3/4 - 5
1/4 in. long and hairy on both surfaces. There is a distinct ring below
the spikelet.
Geographical Distribution: Southwestern cupgrass is found in this region of the United States. Woolly cupgrass is found in the Mid-West and far West.
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