Seed alfalfa threats in order of importance based on 2015 grower survey:
top 6 disease concerns
- blossom blight
- black stem
- leaf spot
- bacterial wilt
- crown and root rot
- downy mildew
top 5 insects concerns
- alfalfa weevil
- lygus bug
- aphids
- alfalfa plant bug
- spider mite
top 13 weed concerns
- kochia
- Canada thistle
- sweet clover
- curled dock
- dandelion
- wow thistle
- volunteer canola
- quack grass
- wild oats
- cleaver
- prickly lettuce
- wild mustard
- red clover
Source: Alfalfa Seed Commission/Brad Alexander
