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Effect of Light on the Germination of Watercress Seeds

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Abstract

IN obtaining data for the two species of watercress for “Biological Flora” accounts, it was found that, whereas the seeds of Nasturtium officinale R.Br. would germinate both in the light and in the dark, those of N. microphyllum Boenningh. ex Rchb.1 would only germinate in the light. This has been checked, as is shown below—there were fifty seeds in each Petri dish and they were kept on moist filter paper at laboratory temperature (about 65° F.).

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References

  1. Airy Shaw, H. K., Kew Bull., No. 1, 39 (1947).

  2. Howard, H. W., and Manton, I., Ann. Bot., N.S., 10, 1 (1946).

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Authors and Affiliations

  1. School of Agriculture, Cambridge

    H. W. HOWARD & A. G. LYON

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  1. H. W. HOWARD
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  2. A. G. LYON
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HOWARD, H., LYON, A. Effect of Light on the Germination of Watercress Seeds. Nature 168, 253–254 (1951). https://doi.org/10.1038/168253a0

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