Q.BlackBerry Problem
How can I help my BlackBerry bush. Woke bush had white powdery substance all over it. Flowers died there several berries that look dead. What happened to my bush? Is there anything I can do to get my berries to ripen or save my bush. Last year it produced several vowels of berries. ??
Certified GKH Gardening Expert
Unfortunately, your photo did not come through. It does sound like, either, powdery mildew or downy mildew.
Here are some articles that will help:
https://www.gardeningknowhow.com/plant-problems/disease/downy-mildew.htm
https://www.gardeningknowhow.com/edible/fruits/blackberries/growing-blackberry-bushes.htm