Re: Grafting Re: Favorite fruiting mulberry cultivars
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Originally Posted by barnetmill View Post
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I have another tree near by that is shaded that bears much larger berries for a longer period of time.
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Could be different hybrid, species, or cultivar.
Yes they are different and that is the point the tree in question is not making useful fruit and grafting to something would be better.
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Originally Posted by barnetmill View Post
Both trees are near the septic tank and field so nutrition is probably not an issue.
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I disagree. The distribution of minerals from septic is not very appropriate for deciduous fruit trees. In particular it is very low in Potash.
I do not know enough and will look into potash. I do know that trees near my septic tank even if not ideal for nutrition do grow better than anywhere else on the property.
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Originally Posted by barnetmill View Post
But it is already some what late to try the potash since the fruiting almost over for this tree.
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This is a misconception. We feed the tree this year for next year's crop. Once the tree starts uptaking the Potash, it will take at least 3 months for processes in the roots to manufacture basic compounds to produce enzymes and carbohydrates. These will be utilized on an as needed basis. The processes for fruit production won't begin until winter begins.
You are correct about a yrs advance being important, but I am not happy waiting another year for what seems to be a looser. Many tree produce well one yr and do little the nx yr. Out of 4 mulberry trees that are currently producing this is the poorest and seems not a good tree to keep. It seems to be the sulfur that you believe to most important and I will certainly look into that. There must be some sulfur in the septic tank since it is contained in many proteins that are consumed and excreted. I have used wood ashes on most of my trees, but not this one. Wood ash probably does not have too much sulfur in it.
Thanks very much for your insightful advice.