Bui. 1477, U. S. Dept. of Agriculture 
Plate 13 
Development of Spurs, Twigs, and Fruiting Wood of the Satsuma 
Plum 
A. — Branch from a vigorous tree, showing spurs and twigs on wood 1 and 2 years old. These 
live and remain productive for years if given light and the tree is kept thrifty. (Com- 
pare with pi. 13, B. Courtland, Calif.) 
B.— A 25-year-old secondary branch of a thrifty tree, showing the persistence of twigs and 
spurs. (Courtland, Calif.) 
C— A 16-year-old tree which has been severely headed back each winter. Note the abun- 
dance of fruiting wood in all parts of the tree 
