Reuben Blackberry

A couple of weeks ago I bought a Reuben Blackberry plant and I noticed strange red spots on it. Now the leaves are beginning to turn yellow and dry. I used Natural Peat for this plant (local gardeners recommendation).

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1 Comment To "Reuben Blackberry"

#1 Comment By Alisma On 09/23/2016 @ 4:50 pm

The simplest explanation for the yellowing leaves is transplant shock, which is very common in the first few months after transplanting:

https://www.gardeningknowhow.com/plant-problems/environmental/learn-how-to-avoid-and-repair-transplant-shock-in-plants.htm ^[1]

The red spots could be caused by Blackberry Purple Blotch, a disease caused by Septoria fungi, especially if the spots are/were present on the stems as well:

http://whatcom.wsu.edu/ipm/manual/black/purple_blotch.html ^[2]

Alternatively, the symptoms for Anthracnose might also match for the spots:
https://plantdiseasehandbook.tamu.edu/food-crops/fruit-crops/blackberry-dewberry-and-boysenberry/ ^[3]

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URL to article: https://questions.gardeningknowhow.com/reuben-blackberry-red-spots-and-yellow-leaves/

URLs in this post:

[1] https://www.gardeningknowhow.com/plant-problems/environmental/learn-how-to-avoid-and-repair-transplant-shock-in-plants.htm: https://www.gardeningknowhow.com/plant-problems/environmental/learn-how-to-avoid-and-repair-transplant-shock-in-plants.htm

[2] http://whatcom.wsu.edu/ipm/manual/black/purple_blotch.html: http://whatcom.wsu.edu/ipm/manual/black/purple_blotch.html

[3] https://plantdiseasehandbook.tamu.edu/food-crops/fruit-crops/blackberry-dewberry-and-boysenberry/: https://plantdiseasehandbook.tamu.edu/food-crops/fruit-crops/blackberry-dewberry-and-boysenberry/

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