Sieve tube sap was collected either from the severed stylets of Tuberolachnus salignus (Gmelin) or via incisions made into the phloem of small willow trees or potted cuttings. Measurements of the ...
The study of isolated phloem in Heracleum has been extended to intact functioning sieve tubes. Techniques of phloem dissection combined with Nomarski interference optics have been developed to permit ...
RECENTLY reports have been published of microscopic particles moving along strands in the sieve tubes of cut sections of Primula obconica 1,2. This movement has suggested that protoplasmic streaming ...
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