Video. – Exercises in Grapevine Breeding and Genetics. Dwarves, Worms, Sex Change, and Bunch Rot: Exercises in Grapevine Breeding and Genetics Peter Cousins, Geneticist, USDA-ARS Grape Genetic Reources Unit, Geneva, N.Y. Cornell University Department of Horticulture seminar series, Feb. 27, 2012 Take a grapevine, divide it into its essential parts, then pick, choose, and reassemble to […]