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quote:Now I wonder where the idea of sugars causing what is believed to be osmotic pressure, originated?
quote:You give the impression of not thinking that osmosis has any effect... and of doubting whether it exists.
quote:Originally posted by daveshortsI don't see why the bulk flow rates are not possible by osmosis - the rate of osmosis may be slow per unit area - but there are a huge number of xylem and their suface area is huge - so it all adds up to a big number - unless you can do soame maths to back up your argument it isn't very strong...You didn't get my point about the Phloem - if it is all at an absolute positive pressure, if you wired one into the Xylem, theere would be flow of sugars into the xylem as the pressure is bigger there - THE WRONG WAY - so if this is the case your theory can't use the Phloem as the downward path (especially as sugars flow up or down a tree depending on the season....) - and I don't think there is anything else to use
quote:Science is now conducted by professional scientists, it's the 21st century. The time of the "Gentleman Scientist" is behind us, it's a concept I have some affection for, but will never be re-instated.
quote:Everyone in this forum is trying to help but you are at a considerable evolutionary disadvantage. It remains possible for the Gentleman Scientist to publish, but you simply must research others work and communicate in the right way. It's our rules now. Alternatively you can withdraw from competition, which is ultimately the safer thing to do.
quote:It's our rules now
quote:I remain true to my original offer, and make a second. If you are minded to look into other people's publications in the area, I will give you a list of journal articles that may get you started.
quote:What I do find surprising is that no one here appears to have conducted the experiments for themselves in order to give a qualified account of their own observations. If it is the money, I will send the £3.00 so that you can purchase the tubing and T junctions.
quote:If you were to place an atomiser from a paint spray gun at the top of the tree, under say 65 psi, would you really expect this to cause water to be drawn up the tubes inside the tree?
quote:I am also surprised that the link below did not generate much interest?http://www-saps.plantsci.cam.ac.uk/search_links.htm
quote:Why is it that the phloem sap is observed to flow down, in the opposite direction to the predicted path of suction generated by the leaves?
quote: If you were to place an atomiser from a paint spray gun at the top of the tree, under say 65 psi, would you really expect this to cause water to be drawn up the tubes inside the tree?
quote:For you to keep dismissing this as irrelevant to trees, without observing the hard evidence for yourself is a reaction I have grown to expect from people who would rather believe text in text books, than to question and evaluate the theories for themselves. You have absolutely no idea of the full implications. I have lived and loved my work and will do so until the day I die!