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Hortgro has been actively researching the threat PSHB poses to the deciduous fruit industry since 2019, starting with a preliminary assessment by Prof Francois Roets. This was followed by two research projects that are currently being conducted.

RESEARCH

  • Potential threat of the PSHB to deciduous fruit trees, a preliminary assessment, Prof Francois Roets, Stellenbosch University. [Abstract]
  • Sources and impact of PSHB on deciduous fruit trees, Prof Francois Roets, 2019, Stellenbosch University.
  • Potential threat of the PSHB to deciduous fruit trees, Prof Francois Roets, Stellenbosch University.

TECHNICAL ASPECTS

Hortgro’s crop protection team has been conducting trials and assessments since January 2023. The assessments include:

  • ¬†Preventative treatments: multiple stem barriers have been applied,¬† and are continually evaluated.
  • Population/infestation baseline data is being gathered in deciduous fruit orchards.
  • Tree physiology assessments have been initiated to determine tree decline post-infestation.
  • Treatment plots have been made available for treatments by commercial companies. These are independently evaluated.
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