Misc. Pub. No. 168. U.S. Dept. of Agriculture 



PLATE 16 



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rA ^ .# 



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c 



♦ 1 * # 



Pear and Quince Diseases 



A, B, Scab on pear; C, pink-mold rot following scab, on Bartlett pear; D, black spot on pear; E, black spot 



on quince. 



