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V

  • R. Kenneth Horst
Chapter

VALERIAN, GARDEN HELIOTROPE (Valeriana)

  • Leaf Spot. Ramularia centranthi, CA; Septoria valerianae, WI.

  • Powdery Mildew. Golovinomyces cichoracearum, CO, UT.

  • Rot, Root. Rhizoctonia solani, NY.

  • Rot, Stem. Sclerotinia rolfsii, CT, NJ.

  • Rust. Puccinia commutata (0, I, III), NY, OR; P. dioicae (0, I), CO, NM, UT; II, III on Carex; P. valerianae (II, III), AK.

VALERIAN, RED, JUPITERS-BEARD (Centranthus)

  • Leaf Spot. Ramularia centranthi, CA.

VENUS FLYTRAP (Dionaea muscipula)

  • Rot, Root. Phytophthora cinnamomi, NC.

VERBENA, GARDEN (Verbena hortensis)

  • Blight, Flower. Botrytis cinerea, MA.

  • Nematode, Root Knot. Meloidogyne sp., MD.

  • Powdery Mildew. Golovinomyces cichoracearum, general.

  • Rot, Charcoal. Macrophomina phaseoli, OK.

  • Rot, Root. Phymatotrichum omnivorum, TX; Rhizoctonia solani, NY; Thielaviopsis basicola, PA.

  • Virus. Broad Bean Wilt, FL; Nemesia Ring Necrosis Tymovirus, CA; Angelonia Flower Break Carmovirus; Verbena Virus Y, Potatao Virus Y, Potyvirus, AR, OR.

VERBENA (Nemisia diascia)

  • Nemesia...

Keywords

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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