Blueberry care - Ask Extension
We have 270 old blueberry bushes (planted in 1972).
Early Blue, Blueray, Berkeley and Herbert rows.
We need some help with disease control.
Red ...
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Blueberry care #874047
Asked June 21, 2024, 10:45 AM EDT
We have 270 old blueberry bushes (planted in 1972).
Early Blue, Blueray, Berkeley and Herbert rows.
We need some help with disease control.
Red leaf spots and some die off.
Can someone come out and evaluate?
Washington County Oregon
Expert Response
Could be a lot of different things. Lets start with the first main question to ask: what is the pH of the soil around these plants? If it is not in the acidic range then you know the problem. https://pnwhandbooks.org/plantdisease/host-disease/blueberry-vaccinium-corymbosum-incorrect-soil-ph
After that we will need to inquire about root rots, nutritional care, etc....
After that we will need to inquire about root rots, nutritional care, etc....
Another suggestion popped up today: The Berry Diagnostic Tool: https://blogs.cornell.edu/berrytool/blueberries/leaves-are-unusually-colored-spotted-or-necrotic-browning/?fbclid=IwZXh0bgNhZW0CMTAAAR0FlUBwDw1SjR_1xOn5VIzEjUjkIxFj4EMCYQDkq5I8-TvNE5JWz7YtD1s_aem_P1wdDDTkofhEC8pvs9Wh0A#red1