Walnut Scion & Rootstock Improvement
Walnut Scion & Rootstock Improvement
Walnut Scion & Rootstock Improvement
University of California
Walnut Scion & Rootstock Improvement

Emerging Disease Team

Inputs:

Reports of new/emerging diseases from UCCE Farm Advisors and growers.

Activities:

Orchard surveys to characterize new and emerging threats; assess: 1) host susceptibility to G. morbida, Thousand Cankers Disease (TCD), 2) host preference of insect vector of G. morbida, 3) Koch’s postulates for Lethal Paradox Canker (LPC).

Outputs:

Publications and newsletter articles assessing the incidence and severity of TCD and LPC in walnut.

Short Term Outcomes:

Broadened grower awareness of TCD and LPC and their management; Broadened awareness of Juglans genotypes resistant / tolerant to TCD.

Long Term Outcomes:

Disease management strategies for TCD and LPC.

Impact:

Enhanced resiliency of walnut production due to effective threat management.

Disease focus

Our focus is on these emerging rootstock diseases:

One Thousand Cankers
One Thousand Cankers

Lethal Paradox
Lethal Paradox

Team Members

Team Leader: Richard Bostock

Richard Bostock
Richard Bostock
Mark Coggeshall
Mark Coggeshall
Janine Hasey
Janine Hasey
Greg Browne
Greg Browne
Scott Schlarbaum
Scott Schlarbaum
Steve Seybold
Steve Seybold

 

 

Webmaster Email: fruitsandnuts@ucdavis.edu