rose macaskie wrote:
It is hard to believe that trees don't have tap roots, people are always talking of them. Roland Ennos, a scientist who works at Manchester university has a book on trees called trees and his special interest is the mechanics of their growth and he does not mention them losing tap roots, he talks of them in time putting down more than one.
Jesus Charco talks somewhere i can no longer find of how very long the roots of tarays are, which fact makes them makes good desert trees. i have my photo on one forum here of the excellent tap roots at the edge of a quarry it is the easiest way to photograph roots is looking for roots in cuttings in th road or for a quarry in a wood.
The long article on hydraulic redistribution that i have mentioned in another place in these forums, that talks of experiments measuring sap flow and establishes that superficial roots lose water, sweat, in hot dry weather and the tap roots provide them with water to make up for what they are losing and also that in a storm the instruments they use heat pulse method of measuring sap flow show that the more superficial roots start to take up water and the flow is reversed not only does it take the water to the tap root but it also flows down the tap root and gets stored in the ground,
Also tap roots take up nutrients that can have leached down into the ground. This reversible flow is called hydraulic redistribution, at first they thought it was just hydraulic lift, that water from tap roots flowed not just to leaves in dry weather but also to superficial roots. This very scientific article about the experiments of a group of scientists does not talk about the scientists being in a dither because they are afraid of not finding tap roots. I think someone is hoaxing Paul Wheaton.
I like the video Paul Wheaton has posted about own root fruit trees and coppiced orchards a lot, it was really interesting. agri rose macaskie.
Susan Monroe wrote:
But the idea does make me wonder how many seeds that John Chapman (Johnny Sppleseed) planted from seeds left over from the cider mills produced decent fruit. And how much the trees had been crossed, and how different they were. A time machine could provide some interesting answers.
rose macaskie wrote:
I have just bought two mulberries, ten euros each. What would that be in dolars? Fifteen dollars or something of the sort... rose macaskie.
My! What people won't say who've no ambition to do a bit of confirmed-fact research on!
Tap roots on Apple Trees? Please!
On Oaks and Locust, and some nut-seed varieties, but no, not the noble Apple!
Brenda Groth wrote:
Hey Paul, did you get your seeds started in pots for sitting out this spring? or are you going to start them out in a nursery bed or in their homes? I'm wanting to hear an update as to how your little seeds are doing.
i sure did appreciate all the apples i put in the freezer from my 3 seedbaby trees this year..esp those really sweet ones.
paul wheaton wrote:
What do you have to prove that there is no tap root on the apple?
I must admit that I was skeptical at first, but that such an advanced permaculturist would suggest it made me think there could be merit to it. I have since pestered many experts about it and have verified to my comfort level that it is most likely true! Of course, there are stipulations, which I have already covered here.
So, I wish the record to show, I am not saying it is fact, I am saying that it is my opinion that it is probable. I do not expect anybody to believe me. But if you have anything of substance in this space, I would very much like to hear it.
Everything else that grows from seeds have a tap root if not removed...
As for apples, they never grow true from seeds. It's just the way of the plant. There is only one Golden Delicious apple tree and it's in Missouri. The rest are all clones. And it's the same with all the apples you see in stores. They all come from cloned trees. I'm not saying you cant get good apples from seeds, just it's a real crap shoot.
As for tap roots on trees, I just cant think of any reason why having a tap root would make for a better tree? Grass plants in lawns have been known to have roots going down 40 feet. So if a grass plant can get down that far without a tap root why would a tree have to use a tap root?
I'm going to go ahead and respectfully declare that statement to be false. there are a great many plants that reproduce via seed and don't develop tap roots. if you're referring to apple trees only, I'll gladly back off.
Please tell me which plant doesn't have a tap root if it grows from seed?
rose macaskie wrote:
Tel, tap roots are just the name for roots that go down instead of growing vertically in woody specied plants so any root that goes down is a tap root.
The apple cores that I buiried last year are starting to sprout.
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