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Agronomy Journal Abstract -

A Germination Inhibitor in the Seedcoat of Sericea (Lespedeza cuneata (Dumont) G. Don)1


This article in AJ

  1. Vol. 61 No. 2, p. 265-266
    Received: Aug 5, 1968

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  1. R. H. Logan,
  2. C. S. Hoveland and
  3. E. D. Donnelly2



The effects of seedcoats of high- and low-tannin sericea lespedeza on seed germination were studied. Seedcoat water extracts of both high- and low-tannin sericea lines reduced germination and radicle elongation of sericea seed. Removal of seedcoats Increased germination of both lines when germinated with water. Seedcoats of seed from high-tannin plants inhibited germination to a greater extent than those from low-tannin plants. A seedcoat inhibitor may be a factor in slow germination of sericea. The high seedcoat tannin content of both sericea lines shows that germination inhibition is caused by a substance other than tannin.

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