1. Thinning and Pruning Ponderosa Pine for the Suppression and Prevention of Elytroderma Needle Disease
Poster Session: 260, 3:05 PM  on Monday, 7/29/2019, 
 Colorado Convention Center, Hall C, Poster Number: 34

2. Ely infection Affects tree growth
Direct mortality in precommercial- and commercial-sized trees
Susceptive to other diseases and bark beetles
Ely prevention significant for
Commercial tree growing
Forest protection
Current treatment
Crown thinning and pruning
Increasing pacing between trees

3. Study area
Darby Ranger District of the Bitterroot National Forest, Montana
Treatments
12: spacing 12 x 12 feet
12P: spacing 12 x 12 feet plus pruning
18: spacing 18 x 18 feet
C: control with no thinning or pruning
Plots
12 blocks
2 treatments per block
Data collection
Baseline: 2006
Monitored annually
Post-treatment: 2014

5. Analysis details and results
3:05 PM  on Monday, 7/29/2019
 Colorado Convention Center, Hall C
Poster Session: 260
Poster Number: 34