Affiliation: | Donald Danforth Plant Science Center, St. Louis, Missouri 63132 (D.H.C., S.M.R., D.Y.L., Q.L.W., T.T.Y., D.G.); ;University of Northern Iowa, Department of Biology, Cedar Falls, Iowa 50614 (J.R.L., J.K.); and;U.S. Department of Agriculture, Agriculture Research Service, Grape Genetics Research Unit, Geneva, New York 14456 (J.P.L.) |