THE RELATIONSHIP OF XYLEM MATURATION TO THE ABSORPTION AND TRANSLOCATION OF P32

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Abstract
Techniques were developed to supply radioactive phosphorus to specific regions of the roots of corn and to ascertain the extent of functional xylem. The data support the view that all regions of the root are effective in absorbing phosphorus but translocation of the absorbed phosphorus to the shoot was correlated with the presence of functional xylem in the region where phosphorus was supplied.
Funding Information
  • National Science Foundation (G19061)