Journal
PHYTOPATHOLOGY
Volume 106, Issue 5, Pages 420-431Publisher
AMER PHYTOPATHOLOGICAL SOC
DOI: 10.1094/PHYTO-02-16-0060-RVW
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Funding
- American Vineyard Foundation
- National Science Foundation [AGS-1255662]
- Oregon Wine Board
- Viticulture Consortium West
- University of Utah
- USDA-ARS CRIS [5358-22000-0390-OOD]
- ARS [813331, ARS-0423109] Funding Source: Federal RePORTER
- Directorate For Geosciences
- Div Atmospheric & Geospace Sciences [1255662] Funding Source: National Science Foundation
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Perhaps the earliest form of monitoring the regional spread of plant disease was a group of growers gathering together at the market and discussing what they see in their crops. This type of reporting continues to this day through regional extension blogs, by crop consultants and more formal scouting of sentential plots in the IPM PIPE network (http://www.ipmpipe.org/). As our knowledge of plant disease epidemiology has increased, we have also increased our ability to detect and monitor the presence of pathogens and use this information to make management decisions in commercial production systems. The advent of phylogenetics, next-generation sequencing, and nucleic acid amplification technologies has allowed for development of sensitive and accurate assays for pathogen inoculum detection and quantification. The application of these tools is beginning to change how we manage diseases with airborne inoculum by allowing for the detection of pathogen Movement instead of assuming it and by targeting management strategies to the early phases of the epidemic development when there is the greatest opportunity to reduce the rate of disease development. While there are numerous advantages to using data on inoculum presence to aid management decisions, there are limitations in what the data represent that are often unrecognized. In addition, our understanding of where and how to effectively monitor airborne inoculum is limited. There is a strong need to improve our knowledge of the mechanisms that influence inoculum dispersion across scales as particles move from leaf to leaf, and everything in between.
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