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DATA CONTENT
Wheat Production:
Disaggregated average wheat production data on a 5 arc min (c.9x9 km) Grid,
based on the work of Liang You & Stanley Wood, 2006
at IFPRI with modifications by
CIMMYT scientists.
Sites:
All site information is derived from in-country national agricultural research partners.
Historical, confirmed sites for Ug99 are mapped. In addition, current year/season sites are flagged,
and although likely to represent race Ug99 it must be noted that no confirmed race pathotyping data
is available. Site information is updated as validated reports of stem rust are received.
Trajectories:
Airborne particle trajectories are presented derived from the NOAA HYSPLIT model.
These provide an indication of potential directional movement and distance of airborne particles.
Known Ug99 site locations are used as source locations. Standard trajectory paths are run using a height
(above ground) of 500m, then 24, 48 & 72 hours trajectory time and the GDAS (Global, 2005)
meteorological database. Standard trajectories are updated on a bi-weekly basis. Special case:
Kenya, August/Sept 2007 – Daily or 2-day trajectories have been run using 24, 48 & 72 hour trajectory times.
Countries:
Country summary information relating to general wheat production statistics
(source FAOSTAT)
and susceptibility of wheat germplasm to stem rust race Ug99
(source CIMMYT databases and
BGRI screening data
form Njoro, Kenya & Kulumsa, Ethiopia). Actual field screening data (2006) are accessible for several countries.
On an experimental basis, country status regarding threat level of Ug99 is reported using the
FAO Desert Locust monitoring scheme criteria
| Perceived risk or threat level |
Potential threat to crops |
Response activities to be undertaken |
| Calm (green) |
No threat to crops |
Maintain regular surveys and monitoring |
| Caution (yellow) |
Potential threat to crops |
Increased vigilance is required; control operations may be needed |
| Threat (orange) |
Threat to crops |
Survey and control operations must be undertaken |
| Danger (red) |
Significant threat to crops |
Intensive survey and control operations must be undertaken |
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