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Plant Identification -- Submerged Weeds -- Curly-Leaf Pondweed |
CURLY-LEAF PONDWEED (Potamogeton crispus)
Treatment Tips: This plant tends to grow profusely early in the season, often shading and inhibiting other weed growth. regrowth of this weed rarely occurs inthe same season after control has been achieved.
Description: Leaves are thin and membranous with veins plainly visible. Minute teeth visible along entire margin of leaf. Commonly grows early in the spring and dies back during midsummer. Fruits borne in spike above the water surface. Leaves alternately arranged on stem.
Distribution: Common throughout the U.S. in fresh and brackish water.
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Recommended Control Method: Tank mix 1 part Cutrine-Plus to 2 parts Aquathol K. Apply at the rate of 1 gallon per acre-foot of water. 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: Aquathol Granular: 13 to 81 pounds per acre-foot.
Aquathol K liquid: 0.3 to 1.9 gallons per acre-foot.
Clearigate: 4.4 to 8.7 gallons per acre-foot.
Cutrine-Plus/Reward: Tank mix in the ratio of 1:1. Apply 2 gallons per surface acre.
Reward: 2 gallons per surface acre.
Fluridone: Various liquid and pelletized formulations (see label).
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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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