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| I cut down a 8" diameter BW tree at the corner of my backyard. The stump is still alive and it send new shoots, which I just remove them whenever I see them. Now I'd like to use the space near the BW stump to plant some apple trees. Does this BW stump still send out the chemicals? How far should I stay away from it? I also took down a smaller BW trees, like 4" diameter, in my new daylily bed. There is still some residual roots left. I do not know if chemicals in the soil would harm the daylily. I have plenty, so I care less about this. |
Follow-Up Postings:
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- Posted by scottfsmith 6B-7A-MD (My Page) on Sat, Aug 30, 14 at 22:51
| Until the roots die they are putting out juglone. Even after the tree is all dead it will take a year or two for the concentration of juglone to go down. You can probably plant right away though, as long as you avoid having roots right next to any new trees. I did that and the apples did fine. Scott |
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| Yes, if you plant next to a root it will die. Right now the stump is not growing roots, so if you have cleared the hole of roots (and added some organic matter) you will be OK. good fermenting OM (NOT compost) produces jug lone half lives of order one week, which is all you need. Next year as the new tree roots push beyond the hole you may get unlucky as one rootlet encounters a hot spot. Apples are particularly sensitive and I lost a few to BW. It does not hurt to sever the biggest shallow roots with a hand saw near the stump and/or near the new hole. I have done it many times, when the soil is soft from rain, the hand saw penetrates the soft soil with surprising ease. |
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