Bui. 1477, U. S. Dept. of Agriculture 
Plate 2 
Response of Different Plum Trees to Pruning and to Soil and 
Other Conditions. — I 
A.— Fruiting branch of the Imperial Epineuse plum: a, Twigs; b, spurlike twigs; c, spurs 
B.— A 16-year-old Kelsey plum tree growing in the cool coastal region of California, This tree 
has been severely headed back each year and is growing in fertile irrigated soil. Note 
the very short annual growth and barren branches. (Niles, Calif., July, 1924) 
C— A 16-year-old Gaviota plum tree growing in the cool coastal region of California. This 
tree has been severely headed back each year and is growing in fertile irrigated soil. 
Note very short annual growth and barren branches. (Compare with pi. 10, A. 
Niles, Calif., June 29, 1923) 
