North American Fruit Explorers mailing list at ibiblio

["dwalsh/wchase" <wchase@interchange.ubc.ca>]

Ginda,

I thought someone more knowledgeable might answer by now.

I wonder if you have cedar apple rust?

I know pear rellis rust very well and I think your symptoms sound like they 
may be
cedar apple rust.

The russeting is probably due to cold weather soon after pollination ... or it
could be due to sprays of some chemicals.

Derry

Derry Walsh & Bill Chase  email:  wchase@interchange.ubc.ca
Aldergrove,  B. C.,  Canada
phone/fax (604) 856-9316
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Home web page  http://www.interchange.ubc.ca/wchase/HTML
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:
: 2)  My third tree has no problem with yellowing leaves.  It does,
: however, have several leaves with a disease or insect.  From the top,
: there is a brown spot ranging from 1/8 to 1/4 inch or so.  It is
: surrounded by an orange and yellow donut, and the rest of the leaf looks
: healthy and green.  I assumed it was some fungus, perhaps scab.  I just
: noticed that on the bottom of some of the larger spots there is a
: swelling of green tissue, with little fuzzy "hairs" emerging.  They are
: up to 1/8 inch long, and look like the fuzzy structure that grow on some
: insects in form (although they are clearly growing from the leaf, and
: not an attached insect.  Does anyone know what this is?  A large
: fraction of the apples (a small yellow seedling crab) seem to be heavily
: russetted
: Thanks,
: Ginda Fisher
: eastern Mass.  zone 6



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