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leaf curl - overwatering?

Posted by serge94501 none (My Page) on
Sat, Jun 8, 13 at 10:38

I took a trip for a week and came back to this leaf curl. Before I left the tomato was vigorous and had no visible issues. My in-laws proudly told me how they kept all my plants watered while I was gone. Bless em, they really are great, but I wonder if they didn't perhaps OVERwater things?

I am growing the tomatoes in raised beds (3' x 6' x 1') and the medium is something veggie-growing blend I got from the soil store that has produced good results for our neighbors. The bed is not quite full sun, but almost.

I water every 2-3 days. I think my in-laws watered every day for a week. I fertilize every 7-10 days.

It's been hot for 10a (80+) and will be for a few more days. Still, I am thinking of holding back water for a while if you think that's the cause of this leaf curl.

The other tomatoes are starting to show a little curl, but not as pronounced.

Thanks. I've botched tomatoes every year I've tried and really want to do well this year.

As a note, I tried two different approaches:

For the first, I bought young plants and snipped off 2/3 of the lower foliage, then planted it DEEP with all the cuts below ground (I read this in an article - supposedly the cuts re-grow as strong roots) and those plants have been MASSIVE.

For the second, I paid $10/plant for some "Mighty 'Mato" while have grafter rootstock (I am guessing they have been discussed heavily here) and they are puttering along but nowhere as big or healthy-looking as the deep-buried ones.

I have one plant that showed up in the middle of a flower pot (I guess there was a seed left over from last year!) so I transplanted it and it's doing well - I have no idea what it is though, kind of hoping it's not one of those black heirlooms I tried - blech.

THANKS in advance for any help!!


Follow-Up Postings:

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RE: leaf curl - overwatering?

  • Posted by bets z6A ID (My Page) on
    Sat, Jun 8, 13 at 11:29

Serge,

Nice looking tomato plants!

If your in-laws did water every day, I do think you are correct in diagnosing the leaf curl on your tomatoes. Give them a few days for the soil moisture to normalize and the leaves will return to normal.

Watering every 2-3 days may be more than is necessary. A good deep watering is preferal to frequent shallow waterings. Deep waterings followed by a few days without watering encourages tomatoes to grow deeper root systems which are less susceptible to surface soil variations.

Betsy

Here is a link that might be useful: Leaf Roll


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RE: leaf curl - overwatering?

Definitely from stress of some sort. Mine did that during a hot summer. Some plants will curl their leaves as a result of stress in order to protect themselves. The good news is that it doesn't seem to affect the growth of the plant, and they should be fine either way.


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