Ability to Respond Total:18 / 25Ability to Respond = ( Ease of Response + Tools in Place )
Confidence:High
Confidence Notes:
Impact
Spread
Notes
Score
Spread Rate
Spread of durable spores is facilitated by wind, rain, hurricanes and on equipment. Latent period months. Increased latent when cold
5
Spread Amount
Citrus pest Attacking a high value crop in Calif. Natives and other crops are not hosts. History of rapid, uncontrollable spread in SE U.S. despite extensive control efforts.
3
Damage
Notes
Score
Ecological
Calif. Natives are not hosts. Unlikely
1
Agricultural
Citrus pest, Grapefruit, orange, mandarin, and lemon highly susceptable
5
Infrastructure
0
Cultural
Severe damage to and landscape trees and shrubs and to urban agriculture. Likely public outcry over control measures.
4
Health
0
Benefit
Notes
Score
Ecological
0
Agricultural
0
Infrastructure
0
Cultural
0
Health
0
Total
18
Ability to Respond
Ease of Response
Notes
Score
Detection
Many citrus diseases look similar. Cankers in old but hard to detect in young. Simple PCR test. Leaf drop. Easily confused with other bacterial diseases; isolation of pathogen - requires sufficient expertise
3
Control
Remove infected trees or orchard. Some preventive sprays are available. bactericidal sprays; cultural practices provide only limited control.
2
Tools in Place
Notes
Score
Entry
Strong quarantine laws are in affect against infested areas
5
Control
CDFA "A" rated status
5
Outreach
Florida and USDA have education materials for this. Citrus growers, Pest Control Advisors, and county Cooperative Ext and Biologists are trained to recognize suspect plants. Public outreach requires work.
