Larvae still have not been detected. Minnesota is reporting very high levels of parasitism, which may be a reason for our low numbers as well. The relatively dry, warm weather over the past few days will help to slow disease development. All crops should be scouted carefully to detect diseases that are present. The hail damage earlier in the week may increase the susceptible of plants to disease, especially bacterial rots.
Soft rots can potentially affect all crops.
The bacteria can come from the soil, rotten vegetables, or be carried by insects. Soft rots can quickly break down vegetable tissue, and can be identified by a watery ooze from the plant, bulb, fruit or tuber that is infected. Aster Yellows Index ranges from 10-115, depending upon location. Control measures may be required in areas that have not had them in the past week. Areas that were sprayed appear to have had excellent control.