Letter | Published:

Effect of Orange Juice on the Growth of Laminaria Gametophytes

Naturevolume 135pages958959 (1935) | Download Citation



SOME interesting nutritional effects have been observed in cultures of gametophytic and young sporophytic plants of Laminaria saccharina Lamour. by the addition of low concentrations of orange and other fruit juices. After the Laminaria spores had been introduced into petri dishes containing 25 c.c. of filtered sea-water, orange juice was added in the proportion of 1 c.c. of a 1 per cent extract to each dish. Control cultures were kept under identical conditions of light and temperature.

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  1. 1

    Harries, Ann. Bot., 46, 893; 1932.

  2. 2

    Mockeridge, Biochem. J., 14, 732; 1920. J. Exper. Biol., 4, 301; 1927.

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  1. Botanical Department, University College, Aberystwyth

    • P. W. CARTER


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