Miscellaneous Publication 168, U. S. Department of Agriculture 



Plate 2 



f 



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Apple diseases and insect injuries: A, Apple-cedar rust; B, quince rust; C, San Jose 

 scale spotting; D, powdery mildew; E, leaf roller injury; F, pansy spot; G, codling 

 moth sting injury; H, aphid injury. 



