48 CUTTINGS AND LAYERINGS 



saved and grown. Substitute strawberries or other small fruits if desired. 



11. Nursery Studies. — If a nursery is in the region it should be visited 

 by horticulture students. Make an outline of all points observed, the questions 

 to be asked of the manager; the kinds of notes to be taken; the calculations 

 to be made; and data desired. 



12. Nursery Catalog Studies. — Make a collection of nursery catalogs. In 

 these compare prices of grapes with prices of strawberry plants, raspberries, etc. 

 How can you account for the differences in these prices? 



QUESTIONS 



1. What are the differences between true stems and roots? 



2. Describe root cuttings. Give directions for making and using them. 



3. What are the four forms of hardwood cuttings? 



4. Give directions for making, storing, and planting hardwood cuttings. 



5. Make a list of trees and shrubs grown from hard wood cuttings. 



6. What are the principles involved in the successful growth of green wood 



cuttings? 



7. How are green wood cuttings managed after rooting? 



8. Describe vine laying. 



9. Describe the method of tip layering as applied to blackberries. 



10. Why is mound layering resorted to? 



11. Describe the steps in mound layering; 



12. Describe pot layering. 



References. — U. S. Farmers' Bulletins: 157, Propagation of plants; 471 

 Grape Propagation; 643, Blackberry Culture; 700, Pecan Culture; 887, Rasp- 

 berries; 979, Strawberry Propagation; 1016, Date Palm Propagation. 



