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Collection and Chemical Composition of Pure Phloem Sap from Zea mays L.
Authors:Ohshima  Toshiyuki; Hayashi  Hiroaki; Chino  Mitsuo
Institution:Department of Agricultural Chemistry, Faculty of Agriculture, The University of Tokyo Yayoi 1-1, Bunkyo-ku, Tokyo, 113 Japan
Abstract:Pure phloem sap was collected from leaf sheaths of Zea maysL. by the insect laser technique, and its chemical compositionwas analyzed. Sucrose was the only sugar detected. The predominantinorganic ions were K+ and Cl. The adenylate energy chargeof phloem sap was between 0.72 and 0.86. (Received October 18, 1989; Accepted May 11, 1990)
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