6. Mention several good effects which may result from pruning.
7. What are some of the bad results of over-pruning? Of insufficient pruning?
8. Consult some orchard-owner concerning this subject. When does he prune to increase the production of fruit? When to increase the growth of the woody part of the tree?
9. If the lower branches of a tree are not removed, what is the effect on the shape of the tree?
10. For what kinds of trees is this form desirable?
11. What is your opinion as to the shearing of evergreens into fantastic shapes?
12. If a tree has a tendency to grow crooked, how should one prune to correct the habit?
13. Would you prune an elm tree just as you would an apple tree? Why?
14. Why does pinching off the terminal bud of a geranium produce a more bushy plant?
15. Discuss in full the reasons for cutting a limb off smoothly and close to the main trunk or larger branch. Look at every tree you pass to see whether it has been pruned well. Has it been able to cover its wounds by the healing process?