what disease does my plum tree have?

Its leaves are turning red to yellow and falling off. It is a Santa Rosa plum tree.

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1 Comment To "what disease does my plum tree have?"

#1 Comment By Heather On 06/03/2012 @ 6:45 pm

It may be a nitrogen deficiency. A severe nitrogen deficiency can make the leaves red and yellow and prone to fall off. If you are also seeing spots, it may have bacterial spot.

Try giving the tree some fertilizer and if you suspect bacterial spot, this article will be helpful:
https://www.gardeningknowhow.com/edible/fruits/plum/plum-tree-diseases.htm ^[1]

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