This publication is part of the outcome of survey for postharvest diseases of apples and pears in Washington State conducted during 2001-04. I thank R. J. Boal, D. F. Faubion and Y. K. Kim for assistance with sampling during the survey. Appreciations also go to the fruit packinghouses involved in the survey. I thank the Washington Tree Fruit Research Commission, the Winter Pear Control Committee, and the Washington State University Safe Food Initiative Funding Program for support of the work. I also thank J. Tangren and R. J. Boal for assistance with the webpage development.

Dr. Chang-lin Xiao, 2005