Ability to Respond Total:17 / 25Ability to Respond = ( Ease of Response + Tools in Place )
Confidence:High
Confidence Notes:
Impact
Spread
Notes
Score
Spread Rate
Spreads quickly via seed.
4
Spread Amount
Not currently present in California.
4
Damage
Notes
Score
Ecological
Potential to out compete native species and crops.
4
Agricultural
a serious agricultural pest as it parasitises important crop species including corn, rice, sorghum, and sugar cane, often causing substantial yield reductions.
2
Infrastructure
0
Cultural
Impacts recreational use in some areas.
2
Health
0
Benefit
Notes
Score
Ecological
Major competitor of native grasses.
0
Agricultural
0
Infrastructure
0
Cultural
0
Health
0
Total
16
Ability to Respond
Ease of Response
Notes
Score
Detection
Seedlings not visible above ground, but white succulent shoots can be found attached to host roots.
2
Control
Seed banks, seed spread are a problem. If established in agricultural situation requires growing a non-host crop. Difficult to control once established.
2
Tools in Place
Notes
Score
Entry
Not present but regulatory barriers in place.
5
Control
Early eradication is essential, currently listed as noxious weed so control is mandated.