TABLE OF CONTENTS vii 



CHAPTER VIII 



PAGE 



SOME GENERAL CONSIDERATIONS 



Pedigree Nursery Stock. Double Working of Nursery Trees. 

 Influence of Stock on Cion Dwarfing Vigor Resistance 

 to Diseases and Insect Pests. Hardiness in Nursery Stock. 

 Horticultural Novelties. Nursery Inspection Laws State 

 and Federal Regulation. Nursery Organizations and So- 

 cieties. 



