REVIEW QUESTIONS 253 



REVIEW QUESTIONS. 



1. What is meant by pomaceous fruits? 



2. Discuss the two principal ways of propagating the apple. Which one 

 is the most important? 



3. What is the most congenial soil for the apple? Why? 



4. How does the planting of the apple differ from that of the pear? 



5. Illustrate by drawing the three systems of planting an orchard. 



6. Which system of planting requires the least number of trees? The 

 greatest number? 



7. Why is. cultivation of the apple orchard important? 



8. Discuss the important points to be considered in pruning the apple. 



9. How does spring planting compare with fall planting? 



10. What determines the distance in planting the apple? 



11. How does cultivation compare with mulching? 



12. Discuss the rots of the pome fruits and give the methods of treating 

 them. 



13. How do the apple scab and the sooty blotch differ from the rots? 



14. What kind of a disease is the fire blight and how can it be controlled? 



15. Discuss the codling moth and the San Jose scale and give the methods 

 of control. 



16. On what fruits is the San Jose scale injurious? 



17. Discuss the difference between the tent caterpillar and the canker 

 worm. 



18. Does the propagation of the pear differ from that of the apple? 



19. Discuss the soil and the cultivation of the pear. 



20. How does the planting of the pear differ from that of the apple? 



21. Discuss the pruning of the pear. 



22. Name three varieties of the apple and pear that are good for the home 

 garden, and three for the commercial orchard. 



23. Is the pear scab the same as the apple scab? Discuss. 



24. Describe the pear psylla and tell how it is controlled. 



25. Discuss the pear thrips and tell how they injure the plant. 



26. Give the spray outline for the pear. 



27. Discuss the cultivation of the quince. 



28. Give the spray outline for the quince. 



