Category Archives: VitisGen2 news

Comparing short-read sequence aligners to determine the best tool for your research needs

Researchers Ryan Musich, Lance Cadle-Davidson, and Michael V. Osier reviewed seven different short-read sequence aligners utilizd in genomic and transcriptomic analysis in this April, 2021 article in Frontiers in Plant Science. Researchers used Powdery Mildew (PM) Erysiphe necator isolates to … Continue reading

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Exploring the genetics behind flower sex in grapevines

Team members Tim Martinson, Cheng Zou, Qi Sun, Jason Londo, Mélanie Massonnet and Dario Cantu have a new article featured in October’s edition of Wine Business Monthly.  The article explores the complex origins of flower sex in grapevines. Grapevine sex … Continue reading

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Researchers discover new QTLs for grape berry acid and tannins in V. aestivalis ‘Norton’ and V. vinifera ‘Cabernet Sauvignon’ hybrid population

VitisGen2 researcher Chin-Feng Hwang and his team from Missouri State University recently published a new article in Fruit Research on fruit chemistry in Vitis aestivalis-derived ‘Norton’ grapes. The article describes how acidity and tannin concentrations of this popular grape variety … Continue reading

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New publication by VitisGen2 team describes Ren-11 powdery mildew resistance location

Researchers Avinash Karn, Cheng Zou, Siraprapa Brooks, Jonathan Fresnedo-Ramírez, Franka Gabler, Qi Sun, David Ramming, Rachel Naegele, Craig Ledbetter and Lance Cadle-Davidson from the VitisGen2 project have announced the discovery of a new, stable qualitative resistance locus in Vitis aestivalis … Continue reading

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Breeding Insight brings bioinformatics to specialty crop breeding. VitisGen2 brings technology to the table

By Tim Martinson and Michelle Podolec. Public and private breeders of commodity crops such as maize and soybeans have long used sophisticated bioinformatics, statistical tools, and ‘big data’ to guide their breeding programs. These tools increasingly leverage detailed DNA sequence … Continue reading

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Central Role of Mapping Populations in Marker-Assisted Grape Breeding

VitisGen2 is excited to announce a new article from team members Tim Martinson and Bruce Reisch of Cornell Agritech, and Rebecca Weipz of University of Wisconsin-Madison’s Peninsular Agricultural Research Station.

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Podcast Featuring Bruce Reisch Made Top 5 Downloads on Sustainable Winegrowing with Vineyard Team in 2020

Professor Bruce Reisch, VitisGen2 Project Director and Breeding and Local Phenotyping Team Lead, was interviewed in 2020 for Episode 87 of the Sustainable Winegrowing with Vinyard Team podcast.  His episode on Developing New Winegrape Varieties made their list of top … Continue reading

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Grape mapping populations reveal genetic variation in bloom and fruit development

by Tim Martinson, Al Kovaleski, and Bruce Reisch On June 29, I photographed clusters from Bruce Reisch’s three VitisGen mapping populations. Parents are Cornell hybrid cultivar Horizon (with perfect flowers), Illinois 547-1 (a male vine),  Vitis cinerea (late blooming male … Continue reading

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Getting the Perfect Cluster Shape: Defining Table & Wine Grape Traits with DNA Markers

Getting the Perfect Cluster Shape: Defining Table & Wine Grape Traits with DNA Markers USDA Scientist Rachel Naegele,  UM professor Matt Clark, and Cornell Extension Associate Tim Martinson describe how image analysis is being used in the VitisGen2 project on mapping … Continue reading

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Staff spotlight with Jack Olson

Jack Olson is an M.S. graduate research assistant at the University of Minnesota. Jack’s research is focused on the phenotypic and genotypic characterization of leaf variegation in grapevine, which is a trait that causes white sectors of leaf tissue that … Continue reading

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