Xylary pH and Reduction Potential Levels of Iron-stressed Silver Maple (Acer saccharinum L.).
Xylary fluid pH and reduction potentials were measured on silver maple (Acer saccharinum L.) grown under Fe and pH stress. Although pH and reduction potential (millivolt/59.2) varied significantly in the nutrient solution, xylary pH and reduction potential remained constant. It was concluded that changes in the pH and reduction potential in the xylary fluid of silver maple are not responsible for iron chlorosis.
Morris
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Plant Science Department, Utah State University, Salt Lake City, Utah 84115.