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Koeller, Wolfram D

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Research

research overview

• The focus of my research is to explore the dynamics of fungal plant pathogen rapidly adapting to the new environmental challenge imposed by a new fungicide.

keywords

• Apple Scab
• Disease Control
• Fungicide
• Mechanisms of Resistance
• Population Biology
• Resistance
• Resistance Diagnosis
• Resistance Management
• Resistance Risk Assessment

Publications

individual publications

• academic article

  • Practical implications of fungicide resistance in Northeastern US populations of the apple scab pathogen Venturia inaequalis.  Phytopathology.  99. 2009
  • Evaluation of DMI fungicides for management of apple scab in a DMI-resistant 'Empire' orchard, 2007.  Plant Disease Management Reports.  2. 2008
  • Evaluation of DMI fungicides for management of apple scab in a DMI-resistant 'McIntosh' orchard, 2007.  Plant Disease Management Reports.  2. 2008
  • Evaluation of rotation programs for the management of apple scab in a DMI-resistant 'McIntosh' orchard, 2007.  Plant Disease Management Reports.  2. 2008
  • Polymorphism of the 14 alpha-demethylase gene (CYP51) in the brown rot pathogen Monilinia fructicola from a resistant orchard in New York state.  Phytopathology.  96. 2006
  • Evidence for the predisposition of fungicide-resistant isolates of Venturia inaequalis to a preferential selection for resistance to other fungicides.  Phytopathology.  91:776-781. 2001
  • Chemical nature of a semipermeable layer in seed coats of leek, onion (Liliaceae), tomato and pepper (Solanaceae).  Seed Sci. & Technology.  23. 1995

• article

  • Blueberry Disease Fast Fact Sheet - Mummyberry 2012
  • Blueberry Disease Fast Facts: Mummyberry 2009
  • Making "the best" last: Controlling brown rot in the face of fungicide resistance 2007
  • First case of brown rot resistance to Indar in New York 2006
  • Managing apple scab resistance to fungicides 2005
  • Revising scab control strategies for 2004 2004
  • Managing fungicide resistance in apple orchards 2002
  • Resistance is futile 2002

Teaching

teaching activities

• PLPA-8900: Master's Level Thesis Research - Spring 2013
• PLPA-9900: Doctoral-Level Thesis Research - Spring 2013
• PLPA-8900: Master's Level Thesis Research - Spring 2012
• PLPA-9900: Doctoral-Level Thesis Research - Spring 2012
• PLPA-7990: Graduate-Level Thesis Research - Fall 2011
• PLPA-8900: Master's-Level Thesis Research - Fall 2011
• PLPA-9900: Doctoral-Level Thesis Research - Fall 2011

Service

outreach overview

• The focus of my extension is to provide growers with sound guidance of how to manage/avoid crop losses caused by fungicide resistance.

Other

college

• CALS

research keyword

• Apple Scab
• Disease Control
• Fungicide
• Mechanisms of Resistance
• Population Biology
• Resistance
• Resistance Diagnosis
• Resistance Management
• Resistance Risk Assessment