INSECTS OF THE STRAWBERRY 195 



SPRAYING OUTLINE FOR THE STRAWBERRY. 



Number of spray. Time to spray. Spray Materials. 



First .... When growth begins 4-4-50 Bordeaux mixture. 

 Second . . . After picking of fruit 4-4-50 Bordeaux mixture. 



Also cut and burn all 

 leaves on some windy 

 day before spraying. 



At the first appearance of the leaf roller spray with 2 

 pounds arsenate of lead to 50 gallons of water. This spray 

 should be repeated every week if necessary until the fruit is 

 about half-grown. 



REVIEW QUESTIONS. 



1. Where were the first good varieties of strawberries developed? Why? 



2. Why should the strawberry be propagated by runners instead of seed? 



3. Why is an old strawberry bed unprofitable? What is- meant by 

 renewal? 



4. Is the soil for the strawberry important? What determines the best 

 type of soil to select? 



5. When is the best time to plant the strawberry? Why? 



6. What regulates the depth to which a plant can be set? 



7. Name the four systems of planting the strawberry. 



8. What is the difference between the single and the double hedge row 

 system; the hill and the matted row system? 



9. What system is the most economical? Why? 



10. When should the cultivation of the strawberry begin? 



11. What is the value of mulching a strawberry bed and when should the 

 mulch be placed on the plants? 



12. What determines the selection of varieties of strawberries? 



1 3. Is the strawberry seriously affected with insects and diseases? 



14. How does the leaf spot differ from the mildew? What is the remedy 

 for each? 



15. What is one of the best means for controlling the insects affecting 

 the strawberry? 



16. Give the spray outline for the strawberry. 



