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| Indian Hawthorne https://www.dirtdoctor.com/efl/dirtDoctor/indian-hawthorne-t886.html |
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| Author: | Grn Thmb [ Mon May 26, 2003 11:55 am ] |
| Post subject: | Indian Hawthorne |
My IIndian Hawthorne have been in the ground about a month now. The leaves and branches on some of the ends of the plants are curling and turning a very dark black. The branch seems to be green and unaffected on down the plant. What's up?  [/list][/list]
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| Author: | Leslie Finical Halleck [ Mon Jun 09, 2003 8:38 am ] |
| Post subject: | fire blight |
Sounds like fireblight to me. Fire Blight A bacterial disease of plants in the rose family in which blossoms, new shoots, twigs and limbs die back as though they have been burned. Leaves usually remain attached but often turn black or dark brown. Prune back into healthy tissue and disinfect pruning tools with a 3-5 percent solution of hydrogen peroxide. Spray plants at first sign of disease with Garrett Juice plus garlic and/or neem. Cons an 20 and agricultural streptomycin are also effective controls. Kocide 101 is a copper based fungicide often recommended, some consider this organic, we don’t. The best recommendation is to spray Garrett Juice plus garlic, treat the soil with horticultural cornmeal, apply the Sick Tree Treatment and reduce the nitrogen fertilizer. High-nitrogen, synthetic fertilizers are the primary cause of this disease. |
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