364 MANUAL OF FRUIT DISEASES 
Fig. 105. — Leaf-blight of plum. Note the shot-hole effect. Upper surface 
(left), lower surface (right). 
second application. In relatively dry seasons the third spraying 
may be omitted. ‘Treatment for nursery trees should be given 
as recommended under Cherry, page 175. 
See fuller discussion of the symptoms and cause under Cherry, 
page 172. The leaf-blight of plum and cherry, while not caused 
by identical fungi, are so similar that the statements made for 
cherry leaf-blight apply to the plum. 
REFERENCES 
Hesler, Lex R. Diseases of the plum. Leaf spot. Jn The Fruit 
Industry in New York State. New York Agr. Dept. Bul. 79: 
1194-1198. 1916. 
See further references to literature under Cherry, page 176. 
