Yellow Nutsedge

By Guides Fertilome Posted: 2/17/2010 Comments (0)


Nutsedge

Yellow (Cyperus esculentus)
Purple (Cyperus rotundus)

Sedges have triangular stems with waxy grass-like leaves which alternate. Sedges are not grass plants, but seedlings may be mistaken for grass. The leaves on both sedges are waxy and have an up right growth habit and a prominent midrib. Both sedges have underground root systems containing rhizomes and underground tubers which accomplish most of the reproduction. On yellow nutsedge, the tubers (nutlets) form at the end of whitish rhizomes. Purple nutsedge forms chains of tubers along brownish rhizomes.

Improve drainage through core aeration and lightening the soil. Keep turfgrass sites free from stress and vigorously competitive with sedges. Keep mowing heights as low as possible in spring and early summer when sedges are most actively growing. Fertilize cool-season grasses in the fall after frost.

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