Tree Assistance - Hawthrone

Hawthorne, we have four of them in our front lawn. I'm attaching photos of the situation. I noticed a sudden drop of leaves in approximately one week. Realizing that it's just a tad early for the trees to shed their leaves, I took a closer look. Discovering what seems to be some kind of parisitic attack I don't know what to make of it. One of the trees (tree #1 in phototj107) lost most of it's leaves, with a thin layer of leaves all the way at the top. The other trees are covered in these "things". Any assistance will be greatly appreciated.
-M p.s. for photos of the problem, please see alt.binaries.pictures.gardens under the same topic subject.
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I've looked at your pix on alt.binaries.pictures.gardens and as far as I can tell, it looks like cedar quince rust. Take a look at this site and see how it compares to what you see on your hawthorns: http://www.oznet.k-state.edu/path-ext/factSheets/Trees/Hawthorn%20and%20Quince%20Rusts.asp
Good luck,
Suzy O, Zone 5, Wisconsin
size=2>...</FONT></DIV><FONT face=Arial size=2>&gt; Hawthorne, we have four of them in our front lawn.&nbsp; I'm attaching photos of <BR>&gt; the situation.<BR>&gt; I noticed a sudden drop of leaves in approximately one week.&nbsp; Realizing that <BR>&gt; it's just a tad early for the trees to shed their leaves, I took a closer <BR>&gt; look.<BR>&gt; Discovering what seems to be some kind of parisitic attack I don't know what <BR>&gt; to make of it.&nbsp; One of the trees (tree #1 in phototj107) lost most of it's <BR>&gt; leaves, with a thin layer of leaves all the way at the top.&nbsp; The other trees <BR>&gt; are covered in these "things".&nbsp; Any assistance&nbsp; will be greatly appreciated.<BR>&gt; <BR>&gt; -M<BR>&gt; p.s. for photos of the problem, please see alt.binaries.pictures.gardens <BR>&gt; under the same topic subject. <BR>&gt; <BR>&gt;</FONT></BODY></HTML>
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Thank you so much for the information!
Now I have to figure out how to handle it, the trees are covered in this stuff :(.
-M
size=2>...</FONT></DIV><FONT face=Arial size=2>&gt; Hawthorne, we have four of them in our front lawn.&nbsp; I'm attaching photos of <BR>&gt; the situation.<BR>&gt; I noticed a sudden drop of leaves in approximately one week.&nbsp; Realizing that <BR>&gt; it's just a tad early for the trees to shed their leaves, I took a closer <BR>&gt; look.<BR>&gt; Discovering what seems to be some kind of parisitic attack I don't know what <BR>&gt; to make of it.&nbsp; One of the trees (tree #1 in phototj107) lost most of it's <BR>&gt; leaves, with a thin layer of leaves all the way at the top.&nbsp; The other trees <BR>&gt; are covered in these "things".&nbsp; Any assistance&nbsp; will be greatly appreciated.<BR>&gt; <BR>&gt; -M<BR>&gt; p.s. for photos of the problem, please see alt.binaries.pictures.gardens <BR>&gt; under the same topic subject. <BR>&gt; <BR>&gt;</FONT> </BLOCKQUOTE></BODY></HTML>
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