• R. Kenneth Horst


  • Leaf Spot. Clypeolella leemingii, black spot, MD to GA, MS; Discohainesia oenotherae, NC; Phyllosticta galactis, NC, VA, WV.

GALIUM (Bedstraw)

  • Dodder. Cuscuta cuspidata, TX.

  • Downy Mildew. Peronospora calotheca, IA, ND, WI.

  • Leaf Spot. Cercospora galii, AL, AK, IA, NH, NY, OR; Pseudopeziza repanda, CA, CT, GA, IL, IA, NY, ND, OR, WI; Melasmia galii, IA; Septoria cruciatae, IN, MI, NJ, NY, WV, WI.

  • Powdery Mildew. Golovinomyces cichoracearum, CA, MT, OR, PA, WA; Erysiphe polygoni, KS.

  • Rot, Root. Phymatotrichum omnivorum, TX.

  • Rust. Puccinia difformis (0, I, III), OH to KS, MT, Pacific Coast; P. punctata (0, I, II, III); CT, MS, NC, ND to CA, WA; P. punctata var. troglodytes (0, I), CT to MO, SD, WA; P. rubefaciens (III), AK, IA, WI to CA, WA; Pucciniastrum galii, NY, PA to CA, CO, and OR; Uromyces galii-californici (II, III), CA.

GENTIAN (Gentiana)

  • Blight, Stem Canker. Botrytis cinerea, NY.

  • Leaf Spot. Asteromella andrewsii (Mycosphaerella andrewsii), DE, IL, IA, NE, NJ, D, PA, WV,...


Powdery Mildew Downy Mildew Leaf Spot Botrytis Cinerea Rhizoctonia Solani 
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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