• R. Kenneth Horst

PANSY (Viola tricolor)

  • Anthracnose. Colletotrichum violae-tricoloris, ME to FL, IN, MI, PA, WA.

  • Blight, Gray Mold. Botrytis cinerea, AK, LA, NJ, probably general.

  • Blight, Southern. Sclerotium rolfsii, FL, VA.

  • Damping-Off; Root Rot. Pythium spp., CA, CT, MO, NJ; Rhizoctonia solani, DE, IL, MN, NY.

  • Downy Mildew. Peronospora violae, AL, IL, MS, NE.

  • Leaf Spot. Alternaria violae, NJ, NY, PA; Cercospora violae, CT, IN, MI, NY, TX, WI; Phyllosticta rafinesquii, AL, IL; Ramularia agrestis, OR; R. lactea, WA.

  • Nematode, Root Knot. Meloidogyne sp., NY, TX.

  • Powdery Mildew. Sphaerotheca macularis, IA, KS, WA.

  • Rot; Crown. Myrothecium roridum, AL.

  • Rot; Leaf Spot. Centrospora acerina, CA, GA.

  • Rot, Root; Wilt. Aphanomyces cladogamus, MD; Fusarium oxysporum, CT, MI, NE, NJ, NY, OH, TX; Thielaviopsis basicola (Chalara elegans), CT.

  • Rust. Puccinia ellisiana (0, I), KS, NE; II, III on Andropogon; P. violae (0, I, II, III), CT, FL, KS, NJ, ND, SC; Uromyces andropogonis (0, I), CT; II, III on Andropogon.

  • Smut...


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

Personalised recommendations