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How do cuttings grow?
"David in Normandy" wrote in message ... In article , Peter Sutton says... Its a huge subject, and I was really only questioning the speed at which roots form. I had always assumed that they grew at a linear rate, ie after 10 days the roots were twice as long as after 5 days. But my recent observation implies that for 10 days nothing appears to happen, then two inch roots can suddenly grow in only two or three days. It can vary enormously. The Mrs plants cuttings of Red Robin (Photinia) not sure of spelling. We've lifted ones that look fine a year after planting as cuttings and they have had no roots at all! However, when they suddenly start to spurt it is a sure sign they have finally put roots out. -- David in Normandy Thanks David - going back to your Bay tree, I am sure you are aware that in the Minoan civilisation they used tree trunks as pillars but used them upside down to prevent them rooting. I understand that even that is not foolproof. Some things can still grow upside down, even though they have to reverse the flow of the capilliaries. |
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