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[IBC] Crab apple root gall
Hi Steve,
I have come across Rust on my Hawthorns and Junipers sometime back.They appear as galls. Yes, and soon they'll be getting nasty slimy orange spore masses. But, those are only on the upper parts of the tree, yes? The galls people were talking about were root and crown galls, I think. I had to keep my Hawthorns away from all my other trees to prevent it spreading. Generally good sense, but actually, the only trees you had to keep it away from were junipers. Even other haws wold have been fine - those rusts have "alternate hosts". That is, the spores from the form on haws only infects junipers, and vice versa. I eventually dumped all the Hawthorns. That's one real solution, alas :/ as long as your near neighbors don't have haws in their lawns. Rusr usually affects apples, but I was lucky Lucky? Well, so far! The cedar-apple rust is a different species from the cedar-hawthorn rust, I believe. Our own Nina Shishkoff authored an excellent short article on the rusts in the ABS's journal not long ago (would be worthwhile to have that on the Web somewhere!). See Dr. Nina, I *have* been listening to you! Anita Northern Harford County, Maryland, USDA zone 6 Go forth under the open sky, and list To Nature's teachings. - William Cullen Bryant ************************************************** ****************************** ++++Sponsored, in part, by Ken Rutledge++++ ************************************************** ****************************** -- The IBC HOME PAGE & FAQ: http://www.internetbonsaiclub.org/ -- +++++ Questions? Help? e-mail +++++ |
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