duckweed

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duckweed,

any plant of the genus Lemna and sometimes of related genera. Duckweeds are tiny floating or submerged aquatic plants with reduced or obsolete roots. They flower only rarely, and their flowers are small and inconspicuous. Duckweeds grow in freshwater throughout most of the world. They are classified in the division MagnoliophytaMagnoliophyta
, division of the plant kingdom consisting of those organisms commonly called the flowering plants, or angiosperms. The angiosperms have leaves, stems, and roots, and vascular, or conducting, tissue (xylem and phloem).
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, class Liliopsida, order Arales, family Lemnaceae.
References in periodicals archive ?
Duckweed protein has higher concentration of essential amino acids, lysine and methionine, than most plant proteins and more closely resembles animal protein in that respect.
Fresh Duckweed (Lemna pauciscostata) was harvested from Lake Geriyo, Yola with the aid of a bucket/plastic bowl and a sack which served as a sieve net.
Preparation of duckweed meal: Three treatments were given to the freshly collected duckweed;
Starch from duckweed can be readily converted into ethanol using the same facilities currently used for corn, Cheng adds.
Duckweed presents an attractive, non-food alternative that has the potential to produce significantly more ethanol feedstock per acre than corn, exploit existing corn-based ethanol production processes for faster scale-up, and turn pollutants into a fuel production system.
Duckweed utilizes the nutrients in the wastewater for growth, thus capturing these nutrients and preventing their release into the environment.
the duckweed Lemna attained higher chromium concentrations in its
The rootless duckweed Wolffia globosa showed substantial
sulphate on the metabolism of the duckweed Lemna minor.
To test the effect of the herbicide Calliofop 36 EC on the Elodea Canada and the duckweed Lemna minor, we chose the following doses, 0 (control), 35, 70, and 140[micro]g product with three replicates by treatment with 3 and 14 days.
In this study the induction of antioxidant enzyme activity of CAT suggests that the herbicide used induces oxidative stress in tissues of duckweed and E canadensis.
The results obtained in our study demonstrate a toxic effect of Calliofop 36EC in both species Lemna minor and Elodea canadensis, both Macrophytes have different tolerance thresholds, duckweed and elodea showed an accumulation potential important, Lemna minor is more sensitive than Elodea canadensis to the herbicide in question, the levels Calliofop 36EC in tissue concentrations increase with the xenobiotic.