Phytophthora ramorum Scorecard

Common Name:  Sudden oak death

Scorecard created on
Last Updated on

Results

Impact Total:21 / 35Impact = ( Spread + Damage - Benefit )

Ability to Respond Total:17 / 25Ability to Respond = ( Ease of Response + Tools in Place )

Confidence:High

Confidence Notes:

Impact

SpreadNotesScore
Spread RateEasily transported on infected plants or by soil medium contaminated with pathogen.5
Spread Amount14 CA counties are quarantined for SOD. Subject to USDA/APHIS/PPQ Order5
DamageNotesScore
EcologicalMortality all native oak species. Numerous symptomatic and asymptomatic native host species.5
AgriculturalSignificant impacts on horticultural crops and trade; requires extensive remediation if found, and not all locations can eradicate due to limits on treatment options.3
Infrastructure2
CulturalLoss of native trees affect tourism, scenic beauty; impact on Native American community.1
Health0
BenefitNotesScore
Ecological0
Agricultural0
Infrastructure0
Cultural0
Health0
Total21

Ability to Respond

Ease of ResponseNotesScore
DetectionReadily detectable through symptoms in most plants; difficult and costly to detect in soil and waterways. Real-Time PCR testing to confirm is costly and difficult. Has not been cultured in a lab2
ControlRemoval and destruction, soil fumigation. Reinfections have been documented following treatment.1
Tools in PlaceNotesScore
EntryUSDA/APHIS and state quarantines, regulated survey, inspection, protocols for spread prevention and early detection5
ControlTreatment and control is very costly and requires intensive resources.4
OutreachWell-developed information and outreach in place.5
Total17

References

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