388 MANUAL OF FRUIT DISEASES 
varieties are sus- 
ceptible. The fire- 
blight disease is dis- 
cussed in detail 
under Pear (page 
323). A special 
consideration of 
nursery quinces 
should supplement 
the treatment as 
outlined for fire- 
blight of the pear. 
To avoid blossom- 
blight it is regarded 
as good practice to 
remove all blossom- 
buds from the two- 
year-old quince 
trees; this should 
be done before the 
flowers open to 
Fig. 112. — Fire-blight on quince. avoid initial infec- 
tion. 
LrEAF-BLIGHT 
Caused by Fabrea maculata (Lév.) Atk. 
This disease occurs also on the pear, to a discussion of which 
the reader is referred for additional facts and data (page 347). 
On the quince the leaf-blight disease is also called black-spot, 
fruit-spot and scald. It was reported from France in 1815, 
and has a long history in America, now being found in practi- 
cally all nursery and orchard districts in the Appalachian 
region. The disease is probably ever present on the quince, 
