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Virus Surveys of commercial vineyards show value of planting certified vines

Virus Surveys of commercial vineyards show value of planting certified vines

Posted Nov 28th, 2019 in Resources

Viruses are of great concern in vineyards. They cost the California wine grape industry as much as $91,661 per acre over the life of a vineyard, according to a 2015 economic study of the North Coast wine-growing region. As a first step towards managing viruses, growers are encouraged to plant certified material regulated by the California Registration and Certification program. There are risks in sourcing material from stocks that are not subject to the same level of regulation. We surveyed ...

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XI International Symposium on Grapevine Physiology and Biotechnology, Stellenbosch (South Africa),  October 11-15, 2020

XI International Symposium on Grapevine Physiology and Biotechnology, Stellenbosch (South Africa), October 11-15, 2020

Posted Nov 26th, 2019 in Resources

XI International Symposium on Grapevine Physiology and Biotechnology, Stellenbosch (South Africa). The symposium, organised under the auspices of the International Society of Horticultural Science (ISHS), will be hosted on the African continent for the first time. During the sessions and keynote lectures, the latest trends in grapevine physiology and biotechnology research with a focus on the chosen theme of “Grapevine Interactions” will be discussed

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Abstracts of oral and poster presentations given at the 11th International Workshop on Grapevine Trunk Diseases, Penticton, BC, Canada

Posted Nov 6th, 2019 in Resources

The 11th International Workshop on Grapevine Trunk Diseases (IWGTD) was held in Penticton, British Columbia, Canada, on July 7–12, 2019. This workshop was chaired by Dr. Úrbez-Torres and organized by the Agriculture and Agri-Food Canada Plant Pathology Laboratory at the Summerland Research and Development Centre (SuRDC). The 11th IWGTD also marked the 20th Anniversary of the workshop, which has been organized every two years since 1999. Delegates were presented the first day with an overview...

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A Virus Scouting and Vine Rogueing Program in Lodi Vineyards

A Virus Scouting and Vine Rogueing Program in Lodi Vineyards

Posted Nov 1st, 2019 in Resources

LangeTwins Family Winery & Vineyards in Lodi has implemented a vineyard virus scouting, mapping and vine rogueing program aimed at managing leafroll and red blotch virus infections and preventing their spread. The program, used in newer plantings of red winegrape varieties (planted since about 2013) is modeled after a successful program used in South Africa where vine mealybug (Planococcus ficus) and leafroll viruses have been ongoing management issues in winegrape vineyards.

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Canadian Grapevine Resources & Research

Canadian Grapevine Resources & Research

Posted Oct 29th, 2019 in Resources

Relevant information and resources for Canadian grape growers and wineries to incorporate into on-farm practices.

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Tools for Managing Bio-Security

Tools for Managing Bio-Security

Posted Oct 28th, 2019 in Resources

Bio-security refers to a series of management practices designed to prevent, minimize and manage the introduction and spread of pests. This includes pests not established in Canada, pests established in limited areas of Canada, and pests widely distributed that can spread from farm to farm.

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Tools for Managing Sour Rot in Grapes

Tools for Managing Sour Rot in Grapes

Posted Oct 24th, 2019 in Resources

It is critical to manage not just the causal organisms but also the Drosophila flies (spotted wing Drosophila as well as Drosophila melanogaster, the common “fruit fly) that can carry sour rot.

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2019 Late Bunch Stem Necrosis Status and Survey

2019 Late Bunch Stem Necrosis Status and Survey

Posted Oct 16th, 2019 in Resources

Nova Scotia research based on late bunch stem necrosis, focusing on Marquette grapes

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CCOVI GGO Webinar - Virus Testing

CCOVI GGO Webinar - Virus Testing

Posted Sep 11th, 2019 in News Articles, Resources

The Grape Growers of Ontario, in partnership with Brock University's Cool Climate Oenology and Viticulture Institute (CCOVI) are pleased to announce the launch of a brand-new viticulture webinar series. The series will look at current topics with experts in the field from bud survival to irrigation timing.

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Guide to the key arthropods of vineyards of Eastern Canada

Guide to the key arthropods of vineyards of Eastern Canada

Posted May 14th, 2019 in Resources, Virus

This comprehensive 114-page guide, available as a free download in English and French, was created in a field-sized format to help growers identify the pests in their vineyards and make informed decisions about how to best protect their grapes. Better understanding the numerous beneficial insects present in the vineyard will enable them to produce grapes sustainably and reduce their reliance on chemical interventions.

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  • The CGCN is trying to mitigate the virus issue at an early stage through a national organization. Our goal is healthy vineyards, and a competitive wine industry in Canada.
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