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White Water Lily

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White Water Lily

White Water Lily

Water-lilies are aquatic rhizomatous perennial herbs, sometimes with stolons, as well. The leaves grow from the rhizome on long petioles. Most of them float on the surface of the water. The blades have smooth or spine-toothed edges, and they can be rounded or pointed. The flowers rise out of the water or float on the surface, opening during the day or at night. Each has at least 8 petals in shades of white, pink, blue, or yellow. There are many stamens at the center. Water-lily flowers are entomophilous, pollinated by insects, often beetles. The fruit is berry-like and borne on a curving or coiling peduncle.

 

Herbicide Management Options:

 

Habitat: contains the active ingredient, imazapyr, which inhibits the plant enzyme AHAS (acetohydroxyaced synthase). Habitat is a systemic herbicide that is effective on post-emergent floating and emergent aquatic vegetation. Imazapyr is effective at low-volume rates and does not contain heavy metals, organochlorides or phosphates, making it safe to humans and livestock. Habitat requires the use of a spray adjuvant when applying on post-emergent vegetation.
 

Granular 24D:

Rodeo: is a liquid glyphosate formulation and has been effective on White Water Lily. This is a broad spectrum, systemic herbicide. Systemic herbicides are absorbed and move within the plant to the site of action. Systemic herbicides tend to act more slowly than contact herbicides. An aquatically registered surfactant (see the label) will have to be added to the Rodeo solution for good results.

 

Biological Management Options:There are no known Biological Management Options.