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Quick tomato question


 
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aidansmyth
Rank attained: Hazel Tree
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Joined: 11 Apr 2012
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PostPosted: Fri Apr 13, 2012 2:37 pm    Post subject: Quick tomato question Reply with quote

Hi we've recently setup a unheated greenhouse in out back garden to try our hand at growing our own vegies and herbs. We planted a few seeds, but also bought two grafted tomato plants at b&q, a beefsteak and one simply labeled elegance. The beefsteak stem is growing dark and the leaves look like their skin is pealing, and it seems to be spreading. This also seems to be starting on the 'elegance'. And there is sign of leaf curl as well (but this is probably due to stress, adjusting to new environment), is there anything i can do to help the plants?

I only have them two days, and they were in the greenhouse on the first day. I've taken them in a night as it is still cold and only watered them a little as the soil is still moist.





I didn't want to re-pot them outside in the greenhouse as its still quite cold at night. Any tips on watering plants of this size and age? We bought 4 much smaller plant from woodies recently and all died, they were pretty dried out, and then i think we over watered them and subsequently died. So I'm hope to avoid a repeat.

I'd be grateful for any advice.

Thanks
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yaut
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Joined: 16 Mar 2012
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Location: Co. Wicklow

PostPosted: Fri Apr 13, 2012 5:20 pm    Post subject: Reply with quote

I'm far from expert but I know that stems turn dark when tomato plant is cold. I don't know about what happening to the leaves. I have some of my tomatoes in the greenhouse too and they have similar markings on their leaves too. But I'm not too worried about that because it's only the bottom leaves that are discolored.
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aidansmyth
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PostPosted: Fri Apr 13, 2012 5:34 pm    Post subject: Reply with quote

I asked the same question over at helpfulgardener and the current idea is that the leaves are scorched (basically sunburn) because the plant isn't hardened to the sun yet.

I'll have to harden mine if it has problems with sun and cold Sad
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breezyacre
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Joined: 07 Mar 2009
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Location: Drogheda, Ireland

PostPosted: Sat Apr 14, 2012 10:25 am    Post subject: Reply with quote

This is an interesting thread. I have been growing tomatoes unsuccessfully now for about 5 years. I have come around to the conclusion that the reason for my lack of success is that the plants were getting scorched by the sun. This year I have bought a packet of coolglass shading from Homebase which I will paint onto the apex . This, I hope, is the solution to my problem. It is interesting though as my father has an older glasshouse which is southfacing and very warm and he has never had a problem with scorching. Is it to do with the fact, I wonder that his is higher than mine or is it to do with newer glass vs older glass.
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forest flame
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PostPosted: Sat Apr 14, 2012 5:51 pm    Post subject: Reply with quote

the plants will scorch if the leaves are wet from watering or condensation in the greenhouse followed by sunlight burning the wet leaves
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Lius
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PostPosted: Sat Apr 14, 2012 9:19 pm    Post subject: Reply with quote

From the photo it looks like the Tomatoes plant has long overgrown the pot it is in.

That tiny pot will not hold enough water for a day for that size plant. The roots will experience huge swings in moisture between watering which is not good.

I would also guess that the plant has used up all of the nutrients in the tiny amount of (seedling) compost in the small pot and is starving for food.

Transplant the plants into the largest container you can fit into the greenhouse, preferable 30cm \X 30cm X 30cm per plant with a rich compost and when the plant recovers and starts to flower feed it with a liquid tomatoes feed.

I'm a novice myself but I think this is good advice.
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Margo
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PostPosted: Fri Apr 27, 2012 8:59 am    Post subject: Reply with quote

Looks like water burn to me
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Greengage
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Joined: 09 Nov 2011
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PostPosted: Fri Apr 27, 2012 1:49 pm    Post subject: Reply with quote

Ok time out the pic was posted on 13th April lots of advice on what to do and what the problem may be so how is the plant doing, curious is it dead , alive or discarded.
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