Now showing items 1-1 of 1

    • Studies on the primary phloem of Gomphocarpus physocarpus. 

      Botha, Christiaan Edward Johannes. (1974)
      Penetration of the stems and leaves of Gomphocnrpus physocarpus by the aphid, Aphis nerii was studied with light and phase microscopes. Penetration of the epidermis and ground tissue was largely intercellular, that ...