Ability to Respond Total:16 / 25Ability to Respond = ( Ease of Response + Tools in Place )
Confidence:Low
Confidence Notes:
Impact
Spread
Notes
Score
Spread Rate
Once introduced into rice seed fields it would be expected to spread rapidly. Currently, contaminations appear to be contained or maybe even eradicated in most areas.
2
Spread Amount
Only a pest of rice.
1
Damage
Notes
Score
Ecological
0
Agricultural
Oryza rufipogon is an aggressive weed of rice in many regions of world. It (and the other wild red rices) compete with and reduce the yield of cultivated rice.
4
Infrastructure
0
Cultural
0
Health
0
Benefit
Notes
Score
Ecological
0
Agricultural
Red rice is sometimes used in rice breeding programs to impart certain characteristics to rice cultivars.
1
Infrastructure
0
Cultural
0
Health
0
Total
6
Ability to Respond
Ease of Response
Notes
Score
Detection
Difficult to recognize until near harvest
1
Control
No selective method of controlling red rice in cultivated rice. Likely have to destroy crop.
1
Tools in Place
Notes
Score
Entry
Special tests required to make sure seed stocks remained pure of red rice.
5
Control
Regulations on seed certification states that "All fields must be free of weedy/red rice, the weedy red grain type of Oryza sativa."
5
Outreach
All seed producers are aware of regulations restricted red rice. On CDFA B list.
