PLATE 2 
Yellow Newtown apples, showing the behavior of Sclerotinia cinerea at different 
temperatures, the apples being placed in the order of the temperatures used: 
A. —Results obtained with a culture of 5 . cinerea from a peach after two weeks at 
o°, 5 0 , io°, 15°, 20°, 25°, 30° C. 
B. —Results obtained with a culture of 5 . cinerea from an apple after one week at 
o°, 5°, io°, 15 0 , 2o°, 25°, 30° C. 
C. —Results obtained with a culture of Sphaeropsis malorum after two weeks at 
o°, 5°, 15 0 , io°, 20°, 25 0 , 30° C. 
D. —Results obtained with a culture of Penicillium expansum after two weeks at 
o°, 5 0 , io°, is 0 , 20°, 25 0 , 30° C, 
