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Gardening Know How Questions & Answers - https://questions.gardeningknowhow.comree. There is also sap oozing from the tree. What is this and how can I treat it and save this mature plum tree? All the fruit has now dropped, so is pruning appropriate now?
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[1] https://www.gardeningknowhow.com/plant-problems/disease/how-to-get-rid-of-sooty-mold.htm: https://www.gardeningknowhow.com/plant-problems/disease/how-to-get-rid-of-sooty-mold.htm
[2] https://www.gardeningknowhow.com/special/organic/natural-home-pesticides-organic-garden-pest-control.htm: https://www.gardeningknowhow.com/special/organic/natural-home-pesticides-organic-garden-pest-control.htm
[3] https://www.gardeningknowhow.com/special/organic/what-are-organic-pesticides.htm: https://www.gardeningknowhow.com/special/organic/what-are-organic-pesticides.htm
[4] https://www.gardeningknowhow.com/edible/fruits/plum/growing-plum-trees.htm: https://www.gardeningknowhow.com/edible/fruits/plum/growing-plum-trees.htm
[5] https://www.gardeningknowhow.com/edible/fruits/plum/plum-tree-pruning.htm: https://www.gardeningknowhow.com/edible/fruits/plum/plum-tree-pruning.htm
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1 Comment To "My Santa Rosa plum has some disease that leaves a black covering on the leaves, fruit and stems, and covers everything under the t"
#1 Comment By BushDoctor On 08/13/2019 @ 8:10 am
This sounds like black sooty mold! This can be caused by many things, but most usually from aphids or other insects. As far as pruning goes- I would wait until it is cooler. Spring or Autumn will be the appropriate time to prune.
These articles will help: https://www.gardeningknowhow.com/plant-problems/disease/how-to-get-rid-of-sooty-mold.htm [1]
https://www.gardeningknowhow.com/special/organic/natural-home-pesticides-organic-garden-pest-control.htm [2]
https://www.gardeningknowhow.com/special/organic/what-are-organic-pesticides.htm [3]
https://www.gardeningknowhow.com/edible/fruits/plum/growing-plum-trees.htm [4]
https://www.gardeningknowhow.com/edible/fruits/plum/plum-tree-pruning.htm [5]