coat structure in white bean seeds

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    • #16795
      leosilv
      Participant

      Hi,
      while observing detached white bean testa in optical microscopy, I saw some long helical structures – seemingly included in thiny walled pipes (not sure of this) and roughly 20 µ large – laying onto the coat plane and assembled in branched bundles (jpeg attached). They stain blue in 0.2% toluidine bue. Some information on such strutures will be greatly acknowledged. Thanks You all

    • #112232
      JackBean
      Participant

      That seems like xylem to me. But you saw it on(?) the seeds?

    • #112237
      leosilv
      Participant

      Unexpectedly , I saw such branched bundles planarly embedded in the thin leaflet just below the external seed surface. Why there? May be they have a role during imbibition. Thanks

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