• R. Kenneth Horst

SAFFLOWER (Carthamus)

  • Anthracnose; Blight. Gloeosporium carthami, IN, TX, VA.

  • Bacterial Blight. Pseudomonas syringae, CA.

  • Blight. Botrytis cinerea; Rhizoctonia sp., NM.

  • Leaf Spot. Alternaria spp., AZ, CA, IN, MT, NE, ND; Septoria carthami, IN, TX; Stemphylium sp., FL; Cercospora beticola, MT; Ramularia carthami, Ramularia cercosphaelloides, Sonora, Mexico.

  • Powdery Mildew. Golovinomyces cichoracearum, CA.

  • Rot, Root. Phytophthora drechsleri, CA.

  • Rot, Stem; Wilt. Sclerotinia sclerotiorum, IN, ND, VA.

  • Rust. Puccinia carthami (II, III), CO, MA, MT, NE, ND.

  • Virus. Cucumber Mosaic, AZ, CA; Turnip Mosaic, CA.

  • Wilt. Fusarium oxysporum f. sp. carthami; Verticillium albo-atrum.

ST. JOHNSWORT (Hypericum)

  • Black Knot. Gibberidea heliopsidis, MD.

  • Blight, Leaf. Rosellinia (Dematophora) necatrix; Diploceras hypericum (stem and leaf), OR.

  • Blight, Southern. Sclerotium rolfsii, SC.

  • Gall, Stem. Sphaeropsis tumefaciens, FL.

  • Leaf Spot. Cercospora hyperici, IL; Cladosporium gloeosporioides, AL, NJ, NY, WI.

  • Nematode...


Powdery Mildew Fusarium Oxysporum Downy Mildew Leaf Spot Botrytis Cinerea 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Copyright information

© Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  • R. Kenneth Horst
    • 1
  1. 1.Plant Pathology and Plant Microbe BiologyCornell UniversityIthacaUSA

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