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Alternative Management Tactics
    for Combating Soilborne
     Phytophthora Diseases
                   Jim Downer
 University of California Cooperative Extension
               Ventura, CA 91003
             ajdowner@ucdavis.edu
Avocado Root Rot
Phytophthora: symptoms
Generalized Phytophthora
      Life History
Phytophthora spore stages




Zoosporangia/spores   Chlamydospores   Zoospore cysts
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08
Downer Fightinging Phytophthora 08

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Downer Fightinging Phytophthora 08