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Plant Identification -- Submerged Weeds -- Small Pondweed |
SMALL PONDWEED (Potamogeton pusillus)
Treatment Tips: Where these plants grow in relatively deep water (6-8 feet), they can be treated more economically with granular herbicides.
Description: Plant with numerous lateral branches on a slender stem. Narrow ribbon-like leaves are alternately arranged on branches. Leaves tapered to point of attachment on stem. Nutlets arranged on spike in a loose pattern.
Distribution: Found throughout the United States. A common nuisance species in ponds, lakes and irrigation ditches.
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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 quartper acre-foot of water to prevent initial growth or to retard regrowth ofplants after chemical treatment.
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Alternate Control Methods: Aquathol Granular: 27 to 81 pounds per acre-foot.
Aquathol K liquid: 0.6 to 1.9 gallons per acre-foot.
Cutrine-Plus/Reward: Tank mix in the ratio of 1:1. Apply 2 gallons per surface acre.
Fluridone: Various liquid or 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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