ARBO303 – Understanding Tree Pruning

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Module code
ARBO303
Module title
Understanding Tree Pruning
Prescription
The aim of this module is to develop student’s understanding of pruning trees and shrubs in arboriculture situations.
Programmes
  • SX1702
NZQA Level
Level 3
NZQA Credits
3
Delivery method
  • Web-Supported
Learning hours
Directed hours
19
Self directed hours
11
Total learning hours
30
Resources required
Teaching and Learning Strategy
As per Ako: Teaching and Learning Directions – Project-based learning; Flipped Classroom; Blended Learning; Work-integrated Learning; Inclusive Practices
Learning Outcomes
1. Demonstrate understanding of the principles and importance of pruning and training.
2. Demonstrate understanding of how pruning enhances tree form.
Content
- Reasons for tree training, and tree responses in terms of final tree shape, (multi-stem, single leader, espalier, hedging, pleaching, pollarding)
- Reasons for tree pruning, and tree responses in terms of final tree shape, (air circulation, health, light filtration, safety, statutory clearances, view).
- Pruning and principles of maintaining natural balance.
- Natural target pruning, (cutting positions to promote desired response)
- Process by which trees limit decay
- Compartmentalisation of Decay in Trees (CODIT), model response
- Identifying and distinguishing floral, vegetative, and mixed buds
- Pruning techniques, (formative pruning, thinning, dead wooding, crown lifting, reduction, crown restoration).
- Tree forms produced through pruning (columnar, conical, decurrent, diffuse, excurrent, fastigate, horizontal, weeping).
Assessment Criteria
Assessment in this module is mixed mode. Students must gain a minimum mark of 50% in the achievement-based assessments and meet all the requirements of the competency-based assessments including carrying out all tasks in a safe manner and to industry standard to be eligible for a final grade for this module. The final grade will be based on the marks from the achievement-based assessment tasks. Where there are only competency components, pass or fail will be awarded.
Learning and Teaching Resource
? Tutorial notes, exercises and readings, flexible, blended learning focus on content and material as projects for project based learning.
? Interactive Moodle platform.