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Safeguarding global plant health: the rise of sentinels

  • Many exotic plant pests and pathogens are unknown prior to their establishment, making prevention and management difficult.
  • Sentinel plantings to detect pests and pathogens prior to introduction provide information about the likelihood of introduction and the potential impact on plants native to the importing country.           
  • This paper discusses the different types of sentinel plantings based on the native range and age of the plants, their purpose, limitations and benefits.
  • Summarised results from published studies illustrate the benefits of sentinel plantings

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