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United States Department of Agriculture

Agricultural Research Service

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Research Project: Enhanced Tools for Improving Root Rot Resistance in Red Raspberry

Location: Horticultural Crops Research

Project Number: 2072-22000-043-02-G
Project Type: Grant

Start Date: Sep 9, 2014
End Date: Sep 30, 2017

Objective:
The long term goal of this research is to develop red raspberry cultivars resistant to phytophthora root rot (PRR) with excellent horticultural traits for commercial production, which directly addresses NWCSFR priorities of genetics and pest management. Supporting objectives are to 1)Utilize a new method for phenotyping mapping populations; 2) Correlate common field metrics of PRR resistance with P. rubi levels present in raspberry root material; 3) Develop molecular markers linked to PRR resistance metrics; 4)Test molecular markers on susceptible and resistant cultivars to determine transferability of markers to wider germplasm. Amendment No 1 adds funds and extends the period of performance to continue the work set forth in the Statement of Work and attached proposal.

Approach:
Phenotyping populations, DNA extraction, quantitative PCR, data correlation, genotyping, and QTL mapping. Amendment #3 adds funds to continue the current research objectives and will be used to conduct field phenotyping and collect leaf samples of raspberry cultivars and germplasm.

Last Modified: 09/21/2017
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