318 STONE FRUITS 



HOME PROJECTS 



1. Visit four commercial peach orchards and note in each : 



(a) The number of trees of each variety in each orchard. 



(b) Age and condition of each orchard. 



(c) System of culture. 



(d) Method of pruning. 



(e) Materials and times of spraying. 



(/) Number of trees infected with borers. 

 (g) Number showing signs of peach yellows, " little peach/' 

 leaf curl, or other diseases. 



(ti) Number in which the fruit is hand thinned. 

 (i) Cover crop used. 



2. With four bearing plum trees of the same variety, age, 

 and general conditions, test the value of pruning, thinning, and 

 spraying. 



