This oozing is associated with shothole borer.
Fruit
The oozing here is not caused by a disease. It is due to bark splitting from excess fruit load the prior year.
Pruning out cytospora is important. But this cut was made through the middle of a canker. You can see the ooze coming through the cut area.
Cutting out the diseased area is not always successful. The healthy bark may be damaged, or you may not get all of the cytospora, as shown here.
It is important to identify the cause of the ooze. Scrape the bark away to find the edge of the diseased area.
Dark gumming is associated with cytospora canker, especially during spring.
Shuck split is one of the most important times to apply a fungicide for shot hole.
Coryneum overwinters in infected buds.
Brand new infection on apricot.
Leaf infections drop out, leaving a hole in the leaf.
Fire blight infections will cause the flower cluster to wilt and then turn brown or black.
When thrips feed inside the flower, the fruitlet is injured. As it grows, the fruit cracks and oozes gumming.
Orange delta traps with CM-DA Combo lures should be used with mating disruption.
Puffers can be used in orchards greater than 30 acres.
There are many different brands of mating disruption dispensers.