REVIEW QUESTIONS 19 



sents a saving because of cheap labor in most foreign 

 countries. Importations of such seedlings, including cut- 

 tings, average eight hundred thousand dollars annually. 



REVIEW QUESTIONS 



1. Why do not most standard varieties of fruit " come true to 



seed "? 



2. Who grows most of the nursery trees? Wliy? 



3. Discuss the investments in nursery business. 



4. Give a list of the tree fruits and the seeds used in growing 



stock for each. 



5. WTiere is each different kind of seed collected? 



6. What advantages have imported seed, if any? 



7. Why are not American seeds more generally used? 



8. Discuss the collecting of seeds for the stone fruits. 



9. Give in detail the method of extracting apple seed. 



10. Why is " French Crab " seed preferred for apples? 



11. How does the handling of seeds for nut trees differ from the 



others? 



12. What are the sub-tropical fruits and the seeds used for each? 



13. Why are olive seed especially hard to germinate? 



14. What fruits are usually propagated from cuttings? Why? 



15. How are fruit seeds handled for shipment? 



