Dr. Kaplan’s group provide a research brief on “Economic Analysis of Preventative Practices for Managing Trunk Disease in Table Grape Vineyards”. Please click the following link for more details. Economic analysis brief 12 June 2017
Category: Progress Reports
Early Detection
Kendra Baumgartner
Our goal is to develop a new method to detect trunk diseases by sampling asymptomatic leaves. We revealed a unique set of grape genes expressed in asymptomatic leaves in the early phase of infection, using Botryosphaeria dieback pathogen Neofusicoccum parvum as a model to study host responses to a trunk pathogen. Tests are in progress to confirm specificity of these grape genes to Neofusicoccum infection, in inoculations with other trunk pathogens, common foliar pathogens, and to rule out possible interactions with drought stress.
Link to presentation:Early Detection
Trunk Disease Management: grower usage and perception of preventative practices.
Kendra Baumgartner
We as researchers think the preventative practices for trunk diseases are effective. We surveyed growers to see if they feel the same.
Link to presentation:Trunk Disease Management, grower usage and perspective of preventative practices.
SCRI Trunk Disease Project Website and Database.
Mizuho Nita
The Nita lab is working on the interface for our projects which include: development of the project website; a web-based trunk disease app and other Extension materials; and trunk disease DNA database.
Link to Presentation: SCRI Trunk Disease Project Website and Database.
Identifying sources of resistance in Pistachio and Almond cultivars
Themis Michailides
Identifying sources of resistance in pistachio and almond (resistance of new and commercial cultivars)
Link to presentation: Identifying sources of resistance in Pistachio and Almond cultivars
Evaluating grapevine germplasm for resistance to Eutypa Dieback
Renaud Travadon & Kendra Baumgartner
We developed methodologies to rapidly and reliably screen grapevines in the greenhouse. Now we are examining cultivars and germplasm for sources of resistance to trunk diseases, specifically Eutypa dieback and Phomopsis dieback.
Link to presentation: Evaluating grapevine germplasm for resistance to Eutypa Dieback.
Molecular determinants of wood colonization by trunk pathogens
Dario Cantu
This is a presentation about the progress we made in understanding the mechanisms underlying grape trunk diseases with the objective to (i) facilitate the development of more accurate diagnostic tools and (ii) assist the effort to identify genetic sources of tolerance in the grape germplasm.
Link to presentation: Molecular determinants of wood colonization by trunk pathogens
Identifying biochemical and anatomical markers of resistance in grape, almond, and pistachio wood.
Philippe E. Rolshausen
The use of varieties resistant to trunk pathogens could mitigate some yield losses encountered by the grape, almond, and pistachio industries. The goal of our research is to identify resistant varieties and to understand the basis of resistance.
Link to presentation:”Identifying-biochemical-and-anatomical-markers-of-resistance-in-grape-almond-pistachio-wood (3)“
Economic benefits of disease prevention in young vineyards.
Jonathan Kaplan
This is a presentation about some of the progress we’ve made on the economic benefits of adoption of preventative practices in young vineyards years before trunk disease symptoms might appear in the vineyard. We set out to determine whether growers might benefit from using these practices in young and mature vineyards.
Link to presentation: Economic benefits of disease prevention in young vineyards
Identifying biochemical and anatomical markers for resistance in grape, almond, and pistachio wood
Philippe E. Rolshausen
Rohslausen discusses how cell wall chemical composition and differences in wood anatomy could be responsible for variance in susceptibility between different cultivars.
Link to the presentation: “Identifying biochemical and anatomical markers of resistance in grape, almond & pistachio wood“
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