Grafted tomato

Discussion in 'Edible Gardening' started by ClaraLou, Apr 22, 2012.

  1. ClaraLou

    ClaraLou Total Gardener

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    I've just bought a couple of grafted tomato plants - wouldn't have bought them at the original extortionate price but they were being sold off as they were beginning to look a bit bedraggled. The blurb says that grafted plants are stronger, more vigorous and produce more fruit. True ... or advertising puff? Has anyone any experience of growing them?
     
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    • Spruce

      Spruce Glad to be back .....

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      Hi

      I grew one as a experiment last year performed the same amount but croped earlier and slightly longer variety was Alicante others may have had better results but I grow in huge pots in the greenhouse as mine is all paved (no border ) so may help more then with disease etc in the soil.

      To be honest adding up what it cost xtra compared to the 6 in a tray I bought I havnt bothered again

      Spruce
       
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      • ClaraLou

        ClaraLou Total Gardener

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        Thanks Spruce. That confirms what I suspected!
         
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        • Kristen

          Kristen Under gardener

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          I think Gardeners World last year did a trial and the grafted ones performed marginally better.

          I think:

          If you grow in greenhouse borders (soil) then a grafted plant may provide protection from follow-on-crop diseases. It would be a lot more cost effective to pay for grafted plant, rather than change the soil - unless you are Fit and have Time :)

          You could graft your own. Seed is available for the "root" ...

          Grafting may lead to some other fringe benefits - closer trusses, for example, would mean more trussed before the plant hits the greenhouse roof. Or less susceptible to Wet/Dry at the roots ...

          But I would have thought most ?? gardeners growing Toms in a greenhouse would be capable of raising the plants from seed, and compared to that a grafted plant is extortionate. For those buying plants anyway the extra cost of grafted is probably easily offset against the value of the crop at Supermarket, neigh Organic, prices.
           
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          • JWK

            JWK Gardener Staff Member

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            I’ll be very interested to hear how you get on with them Clare. What varieties are they?

            I’ve been taken in by the advertising puff too, but being a skinflint I’ve been experimenting with making my own grafted plants.

            I’ve had four attempts so far since January. I used some old surplus seed for my first batch, none of the grafted plants survived. I learnt that I had to adapt my technique due to lack of dexterity and getting seed sowing timings wrong.

            The second batch using the proper rootstock seed I’d purchased were reasonably successful, again I got the timings wrong but I ended up with 3 plants which survived.

            For my last and final batch I managed to get 10 grafted plants with only one failure. The big drawback is that the graft procedure sets the plants back by a fortnight. Here’s my ‘Delicious’ variety, with two grafted plants on the left (photo taken last weekend)
            IMG_6203.JPG

            All three plants looked the same before grafting. The reason why the non-grafted plant looks much healthier is because it has had a couple of extra weeks under the grow lights whilst the 2 grafted plants are under the bench in poly bags. Hopefully the extra vigour of the rootstock will allow the grafted plants to overtake the normal one in the long run.

            The other negative for me is that you can’t ‘deep’ plant a grafted plant since the splice needs to be above soil.

            I’m going to grow the grafted and non-grafted plants side by side, both in the greenhouse and outdoors just to see if it is worthwhile. As I grow in the same greenhouse soil every year I’m hoping this will save me the bother of digging it all out and replacing each year.

            Well at least I’m beginning to understand why these grafted plants are expensive to buy, the rootstock seeds are not cheap and obviously there is a lot more labour involved making the graft and monitoring them afterwards. Plus it takes longer to grow plants to the same stage as un-grafted plants.

            Closeup of splice:
            IMG_6201.JPG
             
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            • Scrungee

              Scrungee Well known for it

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              Those are probably the 2 most important bits of info I've picked up:

              1) Can't bury anything grafted below a graft so lose benefit of burying stems to get extra roots/vigour. (see P.S.)

              2) 25p'ish per rootstock seed seems very little expense for not having to replace greenhouse/poly tunnel soil borders.

              P.S. Perhaps if the 'guidelines' about sowing rootstock seeds and grafted variety seeds at the same time were ignored, so the rootstock toms were well in advance and had much longer stems suitable for burying, the height of the graft wouldn't be a problem.
               
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              • sal73

                sal73 Total Gardener

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                Guys have any of you ever crafted aubergine on tomato? My grandfather used to craft aubergine on tomato to speed up the production , same story with peppers .
                when I was young at school we crafted a tomato on potatoes .
                even managed to find a picture on internet.
                [​IMG]
                 
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                • JWK

                  JWK Gardener Staff Member

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                  The tricky bit is matching up stem thicknesses for the splice, but I see what you're getting at Scrungee. On the left plant in my post #5 I've tried to graft much higher up on rootstock to try and see if that helps :blue thumb: Maybe I should have encouraged them to go leggy on the windowsill, that might be worth a try if this year's experiment works OK.

                  The 25p per rootstock is not too bad as you say. Also I've been taking cuttings from the first batch of rootstock so only used about half the number of seeds I planned.
                   
                • ClaraLou

                  ClaraLou Total Gardener

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                  Hi John

                  That is very industrious of you. I'm impressed! Mine are all a variety called 'Orangino', which I've never grown and know nothing about. (You know what garden centres are like - it's a bit like being in a sweetie shop, particularly when you see the magic words 'reduced to clear'.) To be honest, I don't have the space to be a serious grower but I was just curious ...
                   
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                  • JWK

                    JWK Gardener Staff Member

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                    Great minds think alike sal!

                    I like your grandfathers idea.

                    I'm about to try grafting Tomato 'Gardeners Delight' on Aubergine. I've got 3 seedlings of each which should be ready to graft in a week or two. I only read about this idea recently, apparently it's used in the far east where tomato crops can become waterlogged during monsoons, and aubergines don't mind these conditions (Should be really useful given the current state of my waterlogged garden :)

                    I couldn't find out much about Aubergine as a rootstock, so in the absence of UK recommendations I've bought Aubergine Black Beauty on ebay. I'm hoping if it proves a success then the Aubergine rootstock is much cheaper and more readily available (in small quantities) than the commercial tomato rootstock seed.
                     
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                    • sal73

                      sal73 Total Gardener

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                      Consider that all that was appen in Italy years ago , the idea was simple , the aubergine will take 6/7 months to mature , while tomato in Italy are ready in 3 months , they used this sort of crafting just to speed up the aubergine and had something to do with the dry situation as well , the tomato on potataes was just a school project....
                      At this point i was thinking if is possible to crafting plant like pepino melon or tomatoes tree on normal tomato ....or even melons on pumpkins, but that is a different matter.
                      my grandfather stopped to grow tomatoes and converted all in tabacco , more money i suppose .....today all the land around is just building and palms.
                       
                    • JWK

                      JWK Gardener Staff Member

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                      Sal are you saying that the Aubergine was grafted onto the tomato root? Or the other way around?

                      I've read on other forums about tomatoes grafted onto potatoes, apparently it's a novelty, you just get a poor crop of spuds and a few small tomatoes. Nice idea though and good for a school project as I guess it's fairly easy to do.
                       
                    • sal73

                      sal73 Total Gardener

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                      Yes i remeber that clearly .....it was the aubergine top on tomatoes base , same with pepper.
                      Yes the tomato on potatoes dasn`t really worth , the tomatoes will taste bad and the potatoes will be small .
                       
                    • sal73

                      sal73 Total Gardener

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                      :lunapic 130165696578242 5:
                      see how much didn`t update myself......just went on an italian web to find a picture and look at this .........aubergine crafted on tomato tree = you have an aubergine tree.
                      [​IMG]
                       
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                      • JWK

                        JWK Gardener Staff Member

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                        Ah, that's the other way round from what I'm trying :)
                         
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