Recent Studies on Peach Yellows and Little Peach 15 



Early Preliminary Symptoms of Yellows and Little Peach 



In recent years, other symptoms have been noted as of value in de- 

 termining whether trees are affected with either yellows or little 

 peach. These symptoms are of special importance in detecting the 



Fig 6 — Normal and Little Peach Specimens of Greensboro 



disease in young trees but they do not necessarily distinguish one 

 from the other. A preliminary report upon these symptoms was pub- 

 lished in Bulletin 226, of the New Jersey Agricultural Experiment 

 Station. The most constant and reliable symptoms of an early stage 

 of yellows consists of a characteristic drooping of the leaves toward 

 the branches and trunk of the tree, combined with a slight rolling 

 or curling of the tips toward the petioles and sometimes a rolling in- 

 ward of the margins as well. Such leaves lose their flexibility and 



