Information and discussion regarding garden diseases, insects and other unwelcome critters.
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#1 |
Tomatovillian™
Join Date: Feb 2006
Location: Back in da U.P.
Posts: 1,846
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after enduring a week of cold wet miserable weather, most of my tomatoes look like
they have decided to live, and are beginning to show new growth. two of my matina disappeared, and the third one looked barely alive. i decided to yank it, and replace it with a spare plant. when i dug it up, i discovered that the stem below the ground was pretty much rotted away. there was some small root growth near the surface that was keeping the small piece of healthy stem alive, so i potted it up to try to save it since that was the last matina. a sun gold seems to have had the same problem. i had suspected cut worms at first until i dug up the matina that was still alive. the stem seemed to be in one piece, just brown, and rotting below the soil, and green from soil surface up. any clues?? keith
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don't abort. we'll adopt. |
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#2 |
Tomatovillian™
Join Date: Jul 2013
Location: MA
Posts: 903
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Keith, how about the stem above ground, is it by any chance hollow and brown and rotten on the inside?
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#3 |
Tomatovillian™
Join Date: Oct 2012
Location: Vancouver Island
Posts: 5,930
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Sounds like either Alternaria or damping off.
KarenO |
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#4 |
Tomatovillian™
Join Date: May 2007
Location: North County, San Diego
Posts: 419
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I would cut it to where the stem is good and then root it in water and then pot it.
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#5 |
Tomatovillian™
Join Date: Oct 2012
Location: Vancouver Island
Posts: 5,930
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#6 |
Tomatovillian™
Join Date: Oct 2014
Location: connecticut,usa
Posts: 1,151
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Your first sentence said it all.
I would do a Lazarus and try to save it. I use a wet potting soil mix vs water Put it in the recovery room indoors for a couple of weeks. Under lights. |
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#7 |
Tomatovillian™
Join Date: Jul 2013
Location: MA
Posts: 903
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+1 to what Karen said. Cut your losses.
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#8 |
Tomatovillian™
Join Date: Feb 2016
Location: Southeastern PA
Posts: 1,420
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I had the same problem with 8 out of 17 of my mature tomato seedlings planted in the garden. I detailed this with photos on that "other" site that we can't talk about here and the consensus was damping off.
I did cut off my plants above the brown area and rooted them. I just replanted them in the garden yesterday. I have never had this problem in the past but we did have a cold, wet May. I also planted some store bought seedlings in the same holes where the bad plants were removed. We'll see what happens. |
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#9 |
Tomatovillian™
Join Date: Feb 2006
Location: Back in da U.P.
Posts: 1,846
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the stem above ground feels solid.
i wouldn't have thought damping off could occur on outside transplants. the previous weeks weather was pretty miserable for a tomato. i have 40 other plants in ground. most are showing new growth. i could start checking to see if any other plants are affected. disease vs environmental, i dunno. this is a new thing for me. thanks for the replies. keith
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don't abort. we'll adopt. Last edited by rxkeith; June 18, 2020 at 11:24 PM. |
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#10 |
Tomatovillian™
Join Date: Jun 2010
Location: Romania/Germany , z 4-6
Posts: 1,582
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Cutting and rooting is no different than rooting suckers. It will certainly be faster than growing new plants if you don't have any. Probably damping off, if it's cold for longer periods after transplanting, it can happen.
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#11 |
Tomatovillian™
Join Date: Feb 2016
Location: Southeastern PA
Posts: 1,420
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I wouldn't have thought about damping off either but I read online, and I can't find the link again, that it usually does not occur in mature plants because of secondary tissue in the stem but it definitely is possible.
My stems are brown below the soil line but hard and shriveled, not mushy and the stems above the brown part are green and healthy looking. My stems narrow to a small skinny area in the middle of the brown part too. Do yours do that? My Big Beef were so large that I could not bear to rip them out so I piled soil up around the stem above the brown part and they are growing and flowering but time will tell. I am having the same problem in several of my Bell peppers. |
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#12 |
Tomatovillian™
Join Date: Feb 2006
Location: Back in da U.P.
Posts: 1,846
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brownrexx
i had the thin strand of stem you describe. the part near the surface was softer, and brown. i did not dig out all the way to the roots, but did not notice a hard dry section of stem. from what others have said, it could have been damping off. the living piece is potted up, and seems ok. it is a guess if it will produce tomatoes. matina is an early variety, so maybe so. keith
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don't abort. we'll adopt. |
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#13 |
Tomatovillian™
Join Date: Sep 2009
Location: Alabama
Posts: 7,068
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I have had this problem in the past when I planted deeper than the soil level on the seedling when in the original cup. I quit trying to plant deep after experiencing damping off on the buried stem many times over the years and have not had a problem since then.
I had this happen over and over again but it was sporadic and I couldn't figure out what was happening until I was in a hurry one day trying to finish up my plantings and didn't plant a bunch of tomatoes any deeper than the soil line on the seedling. So I had one bed of tomatoes planted deep and one bed planted shallow and over the next two weeks I noticed problems with nearly a third of the seedlings planted deep while the ones planted shallow had no problems. That ended deep planting for me and it has made my life easier. Bill |
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#14 | |
Tomatovillian™
Join Date: Feb 2016
Location: Southeastern PA
Posts: 1,420
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I have come to the same conclusion as Bill and I will no longer be planting my seedlings deeper than they were in their pots. The replacement plants were planted in the same holes but not deep so we'll see what happens. The ones that I rooted and re-planted seem to have taken hold and are green and growing. I am hopeful that they will be OK. |
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#15 |
Tomatovillian™
Join Date: Jan 2016
Location: Vancouver Island Canada BC
Posts: 1,253
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The only time I had a brown stem like that was on a plant that was planted right after taking off the lowest leaves and cotelydons. I could see where the rot had entered through one of those spots where a leaf was removed for deeper planting.
Since then I strip off anything that will be removed days before planting time so the wounds have time to heal and seal over before planting. No more brown stems. |
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