Recent Studies on Peach Yellows and Little Peach 17 



label wires. The appearance of such a case in an orchard calls for a 

 detailed examination before making a decision as to the exact cause. 

 (See figures 15, 16, 17, and 18). 



Early Blooming and Bud Growth 

 Vigorous trees affected by yellows and little peach invariably start 

 to make spring bud growth and bloom in advance of normal trees of 



Fig. 8 — Twigs From Normal Elberta at Left and From Yellows 

 Elberta at Right. Cut From Tree Early in Spring 



the same variety. Girdling, insect, winter and other injuries may 

 cause a similar behavior of the tree and should not be confused with 

 yellows. 



Yellows and Little Peach on Same Tree 



A number of trees at Vineland were observed at different times 

 that appeared to be affected by both yellows and little peach but there 

 was always some degree of uncertainty. During 1917, however, a 

 Hiley tree at Vineland developed clear cases of both yellows and lit- 

 tle peach on different branches. The fruit was premature on some, 

 while at the same time there were branches with normal fruits and 



