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AS 2303:2018

[Current]

Tree stock for landscape use

The objective of this Standard is to provide criteria for those who grow, specify or purchase tree stock for landscape use. The use of such criteria enables quality tree stock to be identified, regardless of the production method used to grow them.
Published: 21/12/2018
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Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
1 Scope and general
1.1 Scope
1.2 Application
2 Normative References
3 Terms and definitions
4 Criteria for tree stock assessment
4.1 General
4.2 Criteria for above-ground assessment of tree stock
4.2.1 True to type
4.2.2 Height and calliper
4.2.3 Health
4.2.4 Crown symmetry
4.2.5 Significant injury
4.2.6 Stem taper
4.2.7 Self-supporting
4.2.8 Stem and branch structure
4.2.9 Formative pruning
4.2.10 Included bark
4.2.11 Trunk position
4.2.12 Compatibility of graft unions
4.2.13 Pests and diseases
4.3 Criteria for below-ground assessment of tree stock
4.3.1 Rootball diameter
4.3.2 Rootball depth
4.3.3 Height of root crown
4.3.4 Non-suckering rootstock
4.3.5 Pests, diseases and weeds
4.3.6 Rootball occupancy
4.3.7 Root direction
4.3.8 Root division
5 Tree stock balance assessment
5.1 General
5.2 Determining tree stock balance
6 Testing
6.1 Tree stock testing
6.2 Retention of documentation
Appendix A
A.1 General
A.2 Sampling strategy
A.3 Test process
Appendix B
B.1 Scope
B.2 Procedure
B.3 Test report
Appendix C
Appendix D
D.1 Scope
D.2 Tree stock in containers
D.3 Ex-ground tree stock
Bibliography
Cited references in this standard
[Current]
Pruning of amenity trees
Content history
[Available Superseded]
DR AS 2303:2018