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Oklahoma State University Stillwater, OK |
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Oklahoma Alfalfa |
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Oklahoma State University Stillwater, OK |
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Oklahoma Alfalfa |
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Tall Waterhemp |
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| COMMON NAME: | Tall Waterhemp |
| SCIENTIFIC NAME: | Amaranthus tuberculatus (Moq.) J.D. Sauer |
| TYPE: | Summer Annual Broadleaf |
| DESCRIPTION | |
| Germination: | April-September. |
| Reproduction: | By seed, July-October. |
| Stems: | Erect, slender to 3 feet tall, green or red (female plants usually red). |
| Leaves: | Narrow ovate to lanceolate, glabrous (no hair or fuzz). |
| Flower/ Inflorescence: |
Terminal spike, simple to highly branched, male and female plants, very short bracts. |
| Fruit: | Seed reddish to black, less than 1/32 inch in diameter. |
FOUND: |
Central and eastern counties in spring planted alfalfa and in thinning stands. |
CONTROL: |
Can be controlled in newly spring planted alfalfa and thinning stands with BUTYRAC 200 and PURSUIT. PURSUIT resistant plants have been reported, so be aware of that. |
| In Alfalfa |  Plant |
 Leaf |
 Plant |
 Seed Head |
| Additional Tall Waterhemp Images | ||||
| Jim Stritzke Former Alfalfa Weed Control Specialist Department of Plant and Soil Sciences Oklahoma State University |
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