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Thanks for your reply Andrew.I second Rosy's post.What I meant to convey when I asked what does the tree do when its photosynthates have sunk, was, what if this occurs long before Spring arrives? And is the concentration of salts normally found in water enough? Do you use the correct (natural) concentrations, as well as tube diameter, in your experiments?
To support your idea we need you to provide the maths which either shows that the conventional view is wrong or that your ideas about density are plausible.Without them you are hardly in the realms of science.
"Looking forward to your mathematical explanation as to how trees can evaporate 98% of all the water drawn through the roots at the leaf without affecting the density of the sap "That doesn't need a lot of maths.As long as the rate that the water is lost is that same as the rate at which it enters then the net concentrationin the sap remains constant and ther's no change in density.However as I (and others) have pointed out before, IF YOU WANT TO BE TAKEN SERIOUSLY YOU NEED TO PROVIDE THE MATHS.If your next post doesn't include that maths then we can all assume that you are trolling and ignore you.
But we know that cavitation takes place all of the time and that any break in the bead of the imagined cohesion tension generated by a flimsy leaf flapping around in the breeze would render the whole process redundant. Yet the tree appears to not be affected by the constant cavitations, which can be heard cracking with a standard stethoscope. But thatís accepted and to be expected in a belief -based system.