Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Plural form of duckweed.

Etymologies

Sorry, no etymologies found.

Examples

  • Some, even help to control pest populations; duckweeds are known to reduce mosquito numbers, which has the added benefit of decreasing the incidence of certain insect-borne diseases.

    Macrophytes

  • He drew her farther on to a small pool where duckweeds made a greenness on the water.

    Madame Bovary

  • In the order of aroids, from the calamus-root or sweet flag, with its small but complete flowers, up to the reduced duckweeds (_Lemna_), almost an unbroken line of intermediate steps may be traced showing everywhere the concurrence of progressive and retrogressive evolution.

    Species and Varieties, Their Origin by Mutation

  • Most of the waterbodies were found covered with duckweeds, an indicator of high metals in the water.

    Daily News & Analysis

  • Pre-culture: Afterwards, duckweeds from the liquid stock-cultures were grown in two glass vessels with 1.8 L of moStM each in the second identical growth chamber for three to four weeks prior to the experiments in order to obtain large numbers of plants.

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  • Inst. ETH, Stiftung Rübel., or duckweeds - a review of the descriptive and experimental literature.

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  • The data were analysed in randomised groups of six beakers ( 'pseudo-treatments'), since six replicates for the controls are recommended in guidelines for ecotoxicological tests with duckweeds Furthermore, the variability of two calculation parameters, frond number-related growth rate

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