Resurgence of Pseudoperonospora cubensis: The causal agent of Cucurbit downy mildew

Yigal Cohen, Kyle M. Van Den Langenberg, Todd C. Wehner, Peter S. Ojiambo, Mary Hausbeck, Lina M. Quesada-Ocampo, Aleš Lebeda, Helge Sierotzki, Ulrich Gisi

Research output: Contribution to journalArticlepeer-review

84 Scopus citations

Abstract

The downy mildew pathogen, Pseudoperonospora cubensis, which infects plant species in the family Cucurbitaceae, has undergone major changes during the last decade. Disease severity and epidemics are far more destructive than previously reported, and new genotypes, races, pathotypes, and mating types of the pathogen have been discovered in populations from around the globe as a result of the resurgence of the disease. Consequently, disease control through host plant resistance and fungicide applications has become more complex. This resurgence of P. cubensis offers challenges to scientists in many research areas including pathogen biology, epidemiology and dispersal, population structure and population genetics, host preference, host-pathogen interactions and gene expression, genetic host plant resistance, inheritance of host and fungicide resistance, and chemical disease control. This review serves to summarize the current status of this major pathogen and to guide future management and research efforts within this pathosystem.

Original languageEnglish
Pages (from-to)998-1012
Number of pages15
JournalPhytopathology
Volume105
Issue number7
DOIs
StatePublished - 1 Jul 2015

Bibliographical note

Publisher Copyright:
© 2015 The American Phytopathological Society.

Funding

FundersFunder number
U.S. Department of Agriculture

    Keywords

    • Disease outbreak
    • Population changes

    Fingerprint

    Dive into the research topics of 'Resurgence of Pseudoperonospora cubensis: The causal agent of Cucurbit downy mildew'. Together they form a unique fingerprint.

    Cite this