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Post by Tel on Feb 12, 2011 11:00:34 GMT
My method of taking dahlia cuttings.It is essential when taking a dahlia cutting you do not take a piece of tuber with it, otherwise the tuber will not produce anymore cuttings from that area.  Cut just below a leaf joint, at this time of year it should take root in 14 to 16 days, when the daylight hours lengthen this should reduce to 10 days to root.  In a couple of weeks there will be more cutting material growing from round the area you have taken the original cutting from. 
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Post by Geranium on Feb 12, 2011 11:12:11 GMT
Thanks Tel - what medium do you put the cuttings in, please?
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Post by Tel on Feb 12, 2011 11:19:47 GMT
Thanks Tel - what medium do you put the cuttings in, please? I just use multi purpose compost, use what ever you would normally use for your cuttings, if you root them in a propagator i advice to leave the lid off, i find they are more prone to damping off with the lid on. I cover my cuttings with newspaper on sunny days.  |
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Post by scrumpy on Feb 12, 2011 12:53:13 GMT
i root mine in this, with a perspex cover. 7mm square pots, placed in a tray with peat separating the pots. Can get 4 or 5 in each pot, have managed 7 or 8 later in the season when cuttings are narrower. I use one part sand, one part perlite, 2 parts multipurpose compost as my rooting medium, not to wet.  It's placed on an aluminium heat mat that is set at 60'c for a bit of bottom heat. Keeps the cuttings nicely humid. As Tel says, should take about 2 weeks. |
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Post by Deleted on Feb 12, 2011 17:34:30 GMT
Like Tel, I take my cuttings in pretty well the same way.
Funny how after taking a cutting it seems almost by magic within a day or 2 four more nodes appear in the same place where your original cutting was removed.
My potting medium is 2 parts compost, 1 part peat and 1 part perlite.
A very fine sprinkle of silver sand is shaken over the top surface of the module trays, this falls into the hole when you make a dib and insert the cutting. I find this helps give the new root system on the cutting some bite.
No lid on the propagator for me, in past years tried it with, lost too many through dampening off. Last year struck 420 cuttings only lost 7, good enough to go the same way this year.
Early cuttings put in 2 inch 15 insert module trays, this gives them a bit more time before they need potting up. All the others go into 40 insert modules.
Mark
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Post by Deleted on Feb 12, 2011 17:41:47 GMT
i root mine in this, with a perspex cover. 7mm square pots, placed in a tray with peat separating the pots. Can get 4 or 5 in each pot, have managed 7 or 8 later in the season when cuttings are narrower. I use one part sand, one part perlite, 2 parts multipurpose compost as my rooting medium, not to wet. It's placed on an aluminium heat mat that is set at 60'c for a bit of bottom heat. Keeps the cuttings nicely humid. As Tel says, should take about 2 weeks. Ah scrumpy, you are into companion growing, have never tried it. I'm told it makes the plants stronger as there is competion for root space early doors !! I would have thought you have to seperate them farely prompto once they have rooted or else you might damage the root system trying to pry them apart if left too long ? Mark |
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Post by scrumpy on Feb 12, 2011 22:28:41 GMT
Never really had too many problems with that. You can tell when they are rooted, just a question of squeezing the pot, gentle hold on the cuttings and lift out. Those that are a bit behind can be put back into the pot and back in the propagator.
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Post by sweetpea on Feb 15, 2011 14:48:08 GMT
Unfortunately no pics but I have used the polystyrene modules (40 per tray) with high success rates. In fact I can't ever remember losing a cutting. I didn't put a propogator lid on but they were all behind a polythene curtain which trapped the heat from below the bench.
Hope this makes some sort of sense.
normally buy a set of these little craft knives each year. very good for reaching awkward areas.
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Post by Tel on Feb 15, 2011 15:40:54 GMT
Unfortunately no pics but I have used the polystyrene modules (40 per tray) with high success rates. In fact I can't ever remember losing a cutting. I didn't put a propogator lid on but they were all behind a polythene curtain which trapped the heat from below the bench. Hope this makes some sort of sense. normally buy a set of these little craft knives each year. very good for reaching awkward areas. I use plastic module trays that hold 84 cuttings, one or two will need replacing for next year. |
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Post by scrumpy on Feb 23, 2011 20:42:29 GMT
This is the first cutting rooted....quite pleased as it is from the sport.....Cutting taken 8th February  The cutting was taken from a side shoot from a leaf joint, another good way of getting cuttings. If early rooted cuttings are stopped at about the 3rd/4th leaf stage, they will throw out side shoots from the leaf axils and these can be rooted. They root quite quickly, and is a useful way of increasing your stock if your tubers aren't giving out many cuttings. |
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Post by Lou78W on Feb 23, 2011 21:00:49 GMT
Thats worth remembering.....thanks ;D
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Post by cheerypeabrain on Feb 25, 2011 19:51:40 GMT
Splendid... |
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Post by Tel on Feb 25, 2011 20:30:25 GMT
This is the first cutting rooted....quite pleased as it is from the sport.....Cutting taken 8th February The cutting was taken from a side shoot from a leaf joint, another good way of getting cuttings. If early rooted cuttings are stopped at about the 3rd/4th leaf stage, they will throw out side shoots from the leaf axils and these can be rooted. They root quite quickly, and is a useful way of increasing your stock if your tubers aren't giving out many cuttings. Fingers crossed for you Scrumpy, that your sport does not revert back. |
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Post by Tel on Feb 27, 2011 14:45:20 GMT
Taken 14 cuttings of Ruskin Respectable today. |
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Post by Lou78W on Feb 27, 2011 17:30:51 GMT
Excellent news Tel ;D ;D
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