Elodea


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Elodea

 

(waterweed), a genus of perennial aquatic herbs of the family Hydrocharitaceae. The stems are submerged; the leaves are in whorls. There are about ten species, native to the Americas. E. canadensis is found as an import in many regions of the world; in the USSR it occurs in stagnant and sluggish waters in the European portion and Western Siberia. Only female plants are known; they are noted for very rapid vegetative propagation. Extensive growths of the plant obstruct navigation and fishing. The green parts are used as animal feed and fertilizer. Some species are grown in aquariums.

References in periodicals archive ?
Meal of the blue mussel (Mytilus edulis) and waterweed (WW) (Elodea spp.) have been identified as alternative feed resources and potential diet components to improve Astacus astacus feed, as mussels and WW belong to the natural food spectrum (Huner 1994, Hager 2003, Fureder 2009).
They were fed with the green vegetation of elodea, tender tadpoles, and water with dissolved nutrients from ponds in which they were captured were used to accommodate them in the laboratory which was replaced every 3 days with fresh quantity.
Korpelainen, "Complete chloroplast genome sequence of Elodea canadensis and comparative analyses with other monocot plastid genomes," Gene, vol.
Actualmente hay islas de tifa y junco dentro del espejo de agua, pues alli las macrofitas exoticas invasoras Eichhornia crassipes (buchon) y Egeria densa (elodea) forman sustratos para las especies palustres.
Submerged species we collected in the Green River upstream from the Yampa River included the vascular plants Elodea canadensis, Myriophyllum sibiricum, N.
Machuca (1998), con el empleo de Elodea densa en la dieta de gallina ponedora no encontro diferencias significativas entre los tratamientos empleados, aunque se logro sustituir el pienso comercial por la planta.
Gelrite is a product derived from bacteria (Pseudomonas elodea) with consistent quality and high purity.
39.7 34.2 5.4 ([m.sup.2]) Profundidad (cm) 42 75 25 Probabilidad de Baja Baja alta secado pH 8.60 7.50 8.15 Disponibilidad de 6.90 2.85 6.25 oxigeno (mg/l) Vegetacion Elodea sp.
The proportion of funds spent on freshwater plants increased during the study period because of recent discoveries of Western waterweed (Elodea nuttallii) in several locations in Alaska.
(1984) concluded that sun dried Brazilian elodea can be used in broiler diets at 5% without adversely affecting growth, FCR or dressing percentage.
Description: Gellan gum is a polysaccharide produced by fermentation of a pure culture of Sphingomonas elodea. The composition and structure of native gellan gum produced by commercial fermentation is identical to the naturally occurring polysaccharide formed by Sphingomonas elodea on plants of Lily pad varieties.