CERTAIN ELEMENTS IN NURSERY PRACTICE 181 



the same or a sixteenth of an inch less, and sour cherries 

 about a sixteenth more. Sweet cherries will run three-fourths 

 inch and above. 



Fruit-trees are usu- 

 ally assorted into three 

 or four commercial grades, 

 the grade representing 

 age, size, vigor and gen- 

 eral excellence. Small 

 and injured stock is usu- 

 ally put in the fourth 

 class, or treated as culls. 



The size-grades for 

 fruit-trees are not uni- 

 form for the entire coun- 

 try. Much depends on 

 the length of the growing FlG - 205 - Another form of tree gage - 

 season and the demands of buyers in particular regions. The 

 size usually comprises height of tree and the caliper or diam- 

 eter, although the caliper measurement may be omitted as 

 of less importance. Dealers often publish the sizes of stock 

 of various kinds of fruit in the different grades. Following are 

 sizes in parts at least of the northern country : 



Apple, 2 and 3 years, standard, No. 1, 5-7 ft., H in. and up 



Apple, 2 and 3 years, standard, medium, 4-6 ft., f-yi in. 



Apple, dwarf, No. 1, 4-6 ft., f in. and up 



Apple, -dwarf, No. 2, 3-4 ft., i~| in. 



Pear, 3 years, standard, No. 1, 5-7 ft., H in. and up 



Pear, 3 years, standard, medium, 4-6 ft., f-yi in. 



Pear, 2 years, dwarf, No. 1, 4-5 ft., f in. and up 



Pear, 2 years, dwarf, No. 2, 3-4 ft., i~f in. 



Quince, 2 years, No. 1, 4-5 ft., f in. and up 



Quince, 2 years, No. 2, 3-4 ft., Hr in - 



Peach, 1 year, No. 1, 4-5 ft., ^ in. and up 



