Both products are helpful tools for caterpillar control. Cabbage maggot activity and damage continues to be low in most areas. Flea beetle activity also remains very low in most areas. The threshold for flea beetles is 1 flea beetle per plant up to the 6th true leaf stage. Radishes and Asian greens have a lower tolerance however if the tops are also being sold.
Aphids continue to be seen at low levels on cole crops in many areas.
Currently green peach aphids are the main problem. Although aphids are not a serious problem physically on small cole crops, they may vector virus diseases and should be monitored carefully. Growers of all these crops should be on the lookout for a number of important diseases as the wet conditions continue. Botrytis leaf blight of onions continues to increase as we continue to have significant infection periods in many areas. Look for small spots surrounded by an irregularly shaped halo.