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NC State Extension

Spotted-Wing Drosophila Research and Extension Priorities, 2012

Research, extension, and education priorities for spotted wing drosophila in eastern North America

Rankings were developed by attendees at the Sept 20-21st eFly SWD Working Group meeting in Raleigh, NC. Activities were discussed on Sept 20th and were ranked by a portion of the group on Sept 21st, 2012.

Email comments from virtual attendees and those unable to participate in the ranking exercise in person were incorporated into the final ranking. Each participant ranked their top four priorities. Priorities were then scored based on the number of times they appeared in the first, second, third, or fourth priority category, and this score was used as a weighed rank. This exercise narrowed the list of activities from more than 40 to 26.

Weighted Ranking Activity
1 Traps and lures that are selective, efficient, and can be used in IPM programs
2 Mechanisms for communication and coordination between growers and researchers
3 Methods to improve performance of currently available pesticides
4 Overwinter biology/source of spring populations
5 Pesticide resistance management
6 New pesticide modes of action
7 Filling the grower “toolbox”
8  Sampling methods and programs that predict risk
9 Educating growers about current tools and tactics
10 Organic tools
11 Oviposition and host relationships
12 Ecology in natural habitats
13 Interactions with other insect pests and pathogens
14 Landscape ecology
15 Crisis management plan
16 “Silver bullet” short term strategies
17 Seasonal biology
18 Host susceptibility/phenotype and genotype effects
19 Exotic and native biological control
20 Exclusion and barrier methods of control
21 Push-pull management systems
22 Expanding existing pesticide labels
23 Extension agent training
24 Post harvest removal from fruit, removal of infested fruit, and treatments
25 Mating disruption/behavioral management
26 Genetic pest management
Activities noted as important but not ranked included:
Minimizing pesticide residues
Degree day models
Reaching out to non commercial/small scale commercial clientele
Enhancing existing grower groups
Mechanisms for measuring loss

Ongoing activities

The following activities are currently underway or eminent in eastern North America. This list does not include activities currently underway in the western US as part of a currently funded USDA SCRI project.

Activity Group(s)
Push-pull strategies R. Cowles, Canadian research groups
Degree day models Oregon State University; University of Guelph
Host susceptibility/phenotype and genotype effects H. Burrack & NC State University small fruit breeders
Post harvest quarantine treatments S. Walse, USDA ARS Parlier
Enhanced pesticide efficacy R. Cowles
Exclusion and barrier methods of control D. Johnson