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Yellow tomato leaves


 
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Charles_Dimmock
Rank attained: Hawthorn Tree
Rank attained: Hawthorn Tree


Joined: 27 May 2010
Posts: 56

PostPosted: Mon Apr 25, 2011 7:32 pm    Post subject: Yellow tomato leaves Reply with quote

I planted out my tomato plants recently after hardening off when i returned to the plot today after being away over easter the leaves on the first couple of branches had wilted a yellow colour, can anyone shed any light on this?
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Nozebleed
Rank attained: Vegetable garden tender


Joined: 26 Jan 2010
Posts: 751
Location: Dublin

PostPosted: Mon Apr 25, 2011 7:47 pm    Post subject: Reply with quote

mine have gone the same way. there is new growth however that looks nice and lush..im not sure why the leaves are going yellow. someone with more experience will have to answer that for you.
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breezyacre
Rank attained: Silver Birch Tree
Rank attained: Silver Birch Tree


Joined: 07 Mar 2009
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Location: Drogheda, Ireland

PostPosted: Mon Apr 25, 2011 9:05 pm    Post subject: Reply with quote

Hi Charles D. If the plants are outside I would suggest that they could have got dry if you have been away for a few days. Depending on how exposed the plot is they could have got burned either as the air is actually cold. Might a dog have staked his claim there? These are some suggestions. I would make sure they are well watered and see if you can rescue the plant this way.
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michael brenock
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Joined: 12 Aug 2008
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PostPosted: Mon Apr 25, 2011 9:25 pm    Post subject: Reply with quote

charles Dimmock your tomato plants are behaving quite normal.The older leaves will turn a yellow colour as they grow taller. The yellow will become more intense as the soil gets drier. A cold snap would be indicated by a blue/purple colour. After planting the plants can suffer a transplanting shock due to root disturbance. Symptoms of disease usually take 3-4 weeks to show. Do not overfeed immediately after transplanting. All is well if the young leaves are green and getting bigger.
michael brenock horticultural advisor (retired)

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MargeSimpson
Rank attained: Rowan Tree
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Joined: 04 Aug 2006
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PostPosted: Tue Apr 26, 2011 9:52 am    Post subject: Reply with quote

michael brenock wrote:
After planting the plants can suffer a transplanting shock due to root disturbance.


This caught my attention as I am thinking of re-potting my tomato plants this week.
The pots they came in were suitable for small starter plants, but not now as they are getting bigger. I'll be keeping them indoors and not outside until at least June.

If I keep the root-ball undisturbed and just move it to a new pot, should they be OK?
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michael brenock
Rank attained: Chlorophyll for blood


Joined: 12 Aug 2008
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Location: cork

PostPosted: Thu Apr 28, 2011 8:39 pm    Post subject: Reply with quote

try and move them to a bigger pot with least disturbance to roots. When potted on carefully in this kind of weather the plants can grow quite rapidly and should be ready for their permanent planting in about three weeks. Do not let them dry out in warm dry weather.
michael brenock horticultural advisor (retired)
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