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pear tree issue

 
pollinator
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I'm hoping to get some help with my pear trees.

It's still early in the season so these aren't as "sick" looking as they will get (based on past years' experience).  I'm attaching pics of the pears which are developing black spots now and then will develop cracks as they grow.  They still taste good overall.  Pics of bark now - I have noticed more wispy moss on them in the past and that may still develop.  Is the tree diseased or is a soil issue or?  Is it salvageable?  

They were my dad's before so not mine to interfere but since they are now in my care, I want to fix this if I can.
pear-1.JPG
[Thumbnail for pear-1.JPG]
pear-2.JPG
[Thumbnail for pear-2.JPG]
bark.JPG
[Thumbnail for bark.JPG]
pear-and-leaves.JPG
[Thumbnail for pear-and-leaves.JPG]
 
pollinator
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Is it an Asian pear?
 
Sonja Draven
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I really don't know what kind of pear they are.  They are more shaped like traditional pears than the Asian pears I have seen in the store but when I do a google image search for Asian pears, there are some that look like them.
 
pollinator
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Looks like the fungus caused by Fabraea maculata. You may try a neem oil holistic spray.

Too much moss growing on the trunk indicates high relative moisture, may be you need to prune the middle of the tree for a better air circulation.
 
pollinator
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Some apples and pears are simply prone to black spot, through a combination of genetics and climate. Conventional growers spray nasty fungicides to combat it, or give up and rip out the trees and replace them with something more resistant.

We've got some apples (esp Gala) that get hit with this and in wetter summers some of the pears get it as well. I try to keep the trees pruned to an open basket or vase shape to improve airflow, but I don't know if that really helps. I have also tried spraying with a horsetail infusion and with a solution of potassium bicarbonate. Both of these seemed to help and neither has any bad side effects that I can see. Might be worth trying them if you have access to them.
 
Sonja Draven
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Thank you!  I will try those things - starting with the pruning which has been sadly neglected - and see how it goes.
 
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