28 ANNUAL REPORT OF THE Off. Doc. 



Improvement by selection. 

 Improvement b}' cross breeding. 

 Top workinf? varieties. 

 Adaptation of varieties. 

 Importance of local varieties. 

 Change of latitude. 

 Self sterility of fruits. 

 Mixing varieties in orchards. 

 How to choose varieties. 

 Types of apples. 

 Practicum — To be announced. 



Session V. 



BUSINESS PROBLEMS OF THE ORCHARD. 



Subject — Harvesting and Marketing Fruit. 

 When to pick and how. 

 Picking devices. 



Effect of sun on picked fruit. , 



Effect of rain on picked fruit. 

 Effect of frost on picked fruit. 

 Packing and packages. 

 Packing houses and conveniences. 

 Storing and storing houses. 

 Shipping — associations. 

 Storing and storing house. 

 Shipping — associations. 

 Demands of the market. 

 Value of the market. 

 Value of cooperation. 

 Practicum — To be announced. 



Session VI. 

 Subject — Insect enemies. 



Codling moth. 



Apple tree borer. 



Scale insects. 



Canker worm. 



Peach tree borer. 



Curculios. 



Rose Chafer. 

 Each insect will be considered in regard to the following points: 



Life history of the insect. 



Injury to plants. 



How to identify. 



Remedies and treatment. 

 Practicum — Collection and study of insect pests by the members 

 of the school in local orchards and gardens. 



Session VII. 

 Subject — Fungous diseases. 

 Apple scale. 

 Apple leaf spot. 



