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Sun, Apr 26, 09 at 10:18
| I have about 50 tubers potted up in my house. About a third of them are up and growing well. However, those that have just broken through the soil in the last several days are emerging with their tips black with rot (fungus?). The first had a rotting tuber and I believe this introduced these spores to the environment. On others I dug down and the growth below the soil seems normal and the tubers are in great shape which indicates that this is probably an airborne fungus. I cut the affected shoots back to the tuber and sprayed with fungicide. Any thoughts or experience on what this exactly is and is there anything else I can do? Thanks, |
Follow-Up Postings:
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- Posted by plantlady2008 (My Page) on Mon, Apr 27, 09 at 0:21
| I'd change the soil, too. You don't want to keep the soil from the ones that turned black or it'll just make the next new growth rot as well. Did you use garden soil or sterile potting soil to start them? The reason I ask is because there was a soil blight- I can't remember the name of it off hand- around a couple of years ago & plants that came up & were doing great just all of a sudden rotted off at the soil line. There was quite a few gardeners in the midwest & east that were affected. There was a lively discussion on the dahlia net about it at the time as it was something that few people had had before. |
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| I did use MG with the thought that it's sterile, however, the bag does not state it is. Thanks for the tip, I will change out the soil. If was sterile before, it probably isn't now! |
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