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How do cuttings grow?
In article . com, Dave Poole writes: Most interesting. | Some plants develop adventitious roots (roots along the stems or at | the leaf nodes) and the 'root buds' for these are already present. I suspect that a few plants have stem cells (that is cells that are part of the stem) with the potential to form root buds at any point. My guess is that several aquatic plants are like that, because some don't seem to have a clear distinction between roots and stems. But that is pure guesswork. Regards, Nick Maclaren. |
#2
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How do cuttings grow?
On 5/11/07 11:55, in article , "Nick
Maclaren" wrote: In article . com, Dave Poole writes: Most interesting. | Some plants develop adventitious roots (roots along the stems or at | the leaf nodes) and the 'root buds' for these are already present. I suspect that a few plants have stem cells (that is cells that are part of the stem) with the potential to form root buds at any point. My guess is that several aquatic plants are like that, because some don't seem to have a clear distinction between roots and stems. But that is pure guesswork. Interesting to read this Nick, because I've just read a book by Peter Kerr who used to have a small orange and lemon farm in Majorca. He writes that local farmers told him that if you cut a twig off a lemon tree and shoved it in the ground upside down, it would root from the leaf nodes. He wasn't at all sure if he was having his leg pulled but he tried it and said that for months, nothing happened. Then other people bought the house in whose garden he'd done it. A few months more and later, he went back and saw a row of lemon trees there. He had no idea if they were 'his' or whether the new owners had simply planted new saplings. He doesn't seem to have repeated the experiment, unfortunately! If anyone living in a nice, sunny, warm country reads this and has a lemon tree, please try it and let us know! -- Sacha http://www.hillhousenursery.co.uk South Devon (remove weeds from address) 'We do not inherit the earth from our ancestors, we borrow it from our children.' |
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