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.
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
