• Debilitation of photosynthesis though reflected by the leaves way actually originate in distal areas. Poor uptake of nutrients through diseased roots and slowed movement through the vascular system will lead to Chlorosis, and perhaps death.

• Interference with upward translocation of water and inorganic nutrients
  • Effect on absorption of water by roots
    Alfalfa Root Rot
  • Effect on translocation of water through the xylem
    Bacterial Wilt of Alfalfa
    Fusarium Wilt of Tomato
    
  • Effect on transpiration
    Cedar Apple Rust
    Wheat Stem Rust
• Interference with translocation of organic nutrients through the phloem
  
  Rust of Dry Beans
  Powdery Mildew of Wheat
  

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This page is authored and maintained by:

Dr. J.E. Partridge, Department of Plant Pathology, University of Nebraska-Lincoln

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Copyright (C)2005 J.E. Partridge, University of Nebraska-Lincoln. All Rights Reserved.