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Plant Identification -- Submerged Weeds -- Waterstargrass |
WATERSTARGRASS (Heteranthera dubia)
Treatment Tips: When treating these plants with Reward in shallowmuddy areas, be careful not to stir up the bottomsediments that will neutralize the chemical.
Description: Stems and leaves are long, flexible and grass-like. Foundsubmersed in shallow water. Leaves are flaccid with no visible mid-rib. Theflower is small, yellow and star-shaped.
Distribution: Found throughout the U.S., generally in still water.
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Recommended Control Method: For areas less than 1 acre, tank mix 1 part Cutrine-Plus to 5 parts Weedtrine-D. Apply at the rate of 3/4 to 1 1/2 gallons per 1/5 surface acre.*
OR
For areas in excess of 1 acre, tank mix 1 part Cutrine-Plus to 1 part Reward. Apply at the rate of 1 to 2 gallons per surface acre.*
OR
Tank mix 1 part Cutrine-Plus to 2 parts Aquathol K. Apply at the rate of 2 gallons per acre-foot.
**Dilute to facilitate even distribution.
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Maintenance Control Method: Add Aquashade at the rate of 1 quart per acre-foot of water to prevent initial growth or to retard regrowth of plants after chemical treatment.
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Alternate Control Methods - Navigate: 100 pounds per surface acre.
Aquathol Granular: 54 to 108 pounds per acre-foot.
Aquathol K liquid: 1.3 to 2.6 gallons per acre-foot.
Reward: 1 to 2 gallons per surface acre.
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Descriptions and pictures are from the book "How to Identify and Control Water Weeds and Algae", Edited by James C. Schmidt, 5th edition revised 1998, copyright 1976 Applied Biochemists. |
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