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Tree Pests, Diseases and Disorders




Jim Mullholland

6 hours

Fully Booked

2 half days ( 09.30 - 12.30 approximately) 

Exc. VAT Inc. VAT

Course Objectives:

By the end of this course you will be able to:
• Understand what a healthy tree requires and factors that can disrupt normal function.
• Follow a repeatable, methodical approach to examining trees.
• Make a diagnosis based on your observations.
• Identify sources of further information/help.
• Understand how to provide management advice.
• Understand the need for biosecurity and implement good practice during the course of your work.

Presented by Jim Mullholland, Arboricultural Association Technical Officer

This course entitles you to CEU's see this link 

Course Content:

Course Content:

This newly revised course is delivered online (via Zoom) in two sessions. Session 1 covers; A healthy tree, Invasive species, Examining the tree, Making a diagnosis and Using a reference book. Session 2 covers; Example pest, diseases or disorders, Management advice, and Biosecurity

The instructor will set two tasks to be completed between the two sessions. Please ensure you allow sufficient time to complete this (1 hour).

Materials provided: (sent at least one week prior to the course):

  •        AA Tree Pests and Diseases book 
  •        Diagnosis of ill health in trees



Via Zoom – please ensure that you have a Zoom account and that your camera and audio are in working order.

Session 1 - Monday 30 November 09.30 - 12.30

Session 2 - Monday  7 December 09.30 - 12.30



Arboricultural Association attendance certificate



Module Pre-requisites:


Terms of Cancellation or Amendments to details

  • We reserve the right to cancel courses and refund applicants if there is insufficient demand.
  • A FULL charge will be applied to any booking cancelled less than 10 working days before the event.
  • A £30 administration charge may be applied to changes made to bookings that have been received and acknowledged.

For all course bookings outside the UK and Europe, please email