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Plant Identification -- Submerged Weeds -- Southern Naiad |
SOUTHERN NAIAD (Najas guadalupensis)
Treatment Tips: Plants often grow in thick clumps or beds. Good coverage and dispersion of chemical is required to achieve control. Inject chemical if growth is in deep water.
Description: Plant is very leafy. Leaves are wider at the base and arranged oppositely or in whorls of three on the plant stem. A tiny seed is concealed in the axis of leaf. Leaf margin with visible spines.
Distribution: This species is common and widespread with considerable overlap in range.
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Recommended Control Method: For areas less than 1 acre, tank mix 1 part ,b>Cutrine-Plus to 5 parts Weedtrine-D. Apply at the rate of 0.9 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 1.5 gallons per surface acre.
**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 K liquid: 1.0 to 1.9 gallons per acre-foot.
Clearigate: 4.4 to 8.7 gallons per acre-foot.
Reward: 1 to 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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