CONTENTS 



Page 



INTRODUCTION 1 



METHODS 2 



RESULTS 5 



Annual Twig Production 5 



Cost Per Acre 5 



Effects on Shrub Condition 7 



DISCUSSION 8 



Shrub Response 8 



Retopping 9 



Longevity Following Topping 9 



Seed Production 9 



Damage by Insects and Disease 9 



Safety Precautions 9 



LITERATURE CITED 11 



