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Apr 18th 2019 – What the wild things are: Flavor challenges of breeding disease-resistant and cold-tolerant grapes using North American Vitis species
Presenter Dr. Gavin Sacks reviews the flavor chemistry challenges of native species and their hybrids, and discusses how production practices or breeding could be used to mitigate these problems.
Presenter Dani Martinez discusses some of the ways in which computer vision is being used to streamline scientific research, using VitisGen’s application to powdery mildew resistance as a case study.
April 19th 2018, 2pm EST – Automated Evaluation of Grape Breeding Progeny to Reduce the Phenotyping Bottleneck
While genetic information is becoming inexpensive, measuring attributes of interest such as disease resistance or cluster architecture has been a laborious, manual process. VitisGen researchers are developing methods of more rapidly and objectively screening ‘mapping populations’. Their goal: to streamline the process of associating plant traits with genetic markers.
Panelists from the VitisGen2 Breeding and Local Phenotyping Team:
-Lance Cadle-Davidson, VitisGen2 Project Co-Leader and USDA Research Plant Pathologist
-Rachel Naegele, USDA Research Horticulturist
-Anna Underhill, MSc student at University of Minnesota
March 13th 2018, 2pm EST – Europe is Starting to Embrace New, Disease Resistant Varieties
European wine producers have long focused on a small group of ancient, closely-related, name-brand varieties originating in the middle ages. Whether by legislation or market forces, growers have been wedded to a small list of approved names – resisting anything classified as a ‘hybrid’. But attitudes are changing. Mounting concern about fungicide usage near villages embedded within vineyard regions is driving growers to start planting new disease resistant winegrapes … even in Bordeaux. We will discuss the debate about new varieties now taking hold in Europe, and how attitudes towards new varieties are changing.
– Bruce Reisch, Professor, Cornell University
– Timothy Martinson, Senior Extension Associate, Cornell University