Recent Studies on Peach Yellows and Little Peach 37 



1913. This case may be described as a mild one, since prematnring 

 occurred on the diseased branch only a few days before the normal 

 ripening period of Elberta. The other branches on the tree matured 

 their fruit at the normal time, and this fruit was free from the char- 

 acteristic color blotches. Buds were taken from both the branches 

 producing premature fruit and from other branches on the tree and 

 used for propagation. Large well developed trees were secured from 

 both lots of buds, and none of them showed any of the advanced 



. ■ -. ■■ • -*..— j --ramsdgy*a|§»fe.-T - * 



1'"k,. 22— Fitzgeralii Tree at Vtneland Which Developed Virulent 

 Case of Yellows 



symptoms of yellows during 1914. However, three of the trees pro- 

 pagated from buds from the diseased branch began to show the 

 characteristic drooping and rolling of the leaves in the latter part of 

 the season. All of the other trees of this latter group made a good 

 growth and appeared perfectly normal. These were kept growing 

 during the season of 1914, and none of them developed the typical 

 sickly, wiry shoots. 



The three trees exhibiting early symptoms in 1913 showed some- 

 what similar symptoms in 1914, and in about the same manner, but 



