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This article in CS

  1. Vol. 22 No. 3, p. 602-605
     
    Received: June 18, 1981
    Published: May, 1982


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doi:10.2135/cropsci1982.0011183X002200030041x

Fungal Penetration of Soybean Seed through Pores1

  1. H. J. Hill and
  2. S. H. West2

Abstract

Abstract

Mycelium of seed-borne fungi have been postulated to enter the seed coat of soybeans [Glycine max (L.) Merr.] through seed coat defects and the hilum region. The objective of this study was to determine if fungal mycelia could also enter the seed via the naturally-occurring pores on the seed coat surface. Using scanning electron microscopy, naturally occurring pores on the surface of the seed coat were observed as providing a means of entry into the seed. These pores were found to penetrate deeply into the palisade layer providing passage into the hourglass layer. Fungal hyphae were observed to extend into these pores. These pores, therefore, can provide a means of fungal entry without the presence of visible seed coat defects.

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