New to growing your own tomatoes? This is the forum to learn the successful techniques used by seasoned tomato growers. Questions are welcome, too.
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#1 |
Tomatovillian™
Join Date: Jan 2012
Location: Romania
Posts: 470
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Well, I need help and advice as well
I have some old tomato seeds. They have an interesting story. A man cultivated same variety of tomatoes 20-25 years in a row. As he loved this variety, each autumn he saved seeds from the most beautiful tomato fruits. About 10 years ago (summer 2009), he died and the little old country garden was abandoned. This spring, one of his children found some old seeds and sent them to me. Seeds look good and he told me that he found seeds in a dry place with good temperature. The problem is they might be 10-11 years old. This year, I tried three times but seeds did not germinate. I want to try again next year. If you have any advice, I'll be glad to know. If anyone wants to try, I can send some seeds Advanced thanks for your time and attention
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Knowledge is knowing the tomato is a fruit, wisdom is not putting in your fruit salad Last edited by Moshou; July 18, 2019 at 11:20 AM. |
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#2 |
Tomatovillian™
Join Date: Jul 2008
Location: 6a - NE Tennessee
Posts: 4,538
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This year, I woke up some Dolly Parton seeds from 2008. I used Jiffy Mix as the medium. It has a light, and fluffy texture to it. It holds water well without being soggy.
I used a heat mat and set it to 78 degrees F. I placed the seeds on top of the mix and then barely covered them with additional mix and moistened with a spray bottle lightly. I mixed Miracle Grow crystals at about 1/20th normal concentration and this was used thru out the process. I kept the mix damp, but not wet. I used CFL lighting. The bulbs were "Daylight - 6400K" rated. The things I found to be important, above all else, were keeping that heat going and never turning the lights off before seeing the germination. Then, I had to exercise a lot of patience. My Dolly Parton seeds took more than 36 days, but happily, they finally showed up. Using that light Jiffy Mix helped that effort. If you would like me to try your new found treasure, I can do that, but it will have to be next season. PM me to get an address. I can send you a list to choose from if you wish to make it a trade. Hope this helps. Take care. Best of luck with this "new baby". I woke up a bunch of older seeds this season using this process. I now have three plants in the main garden and hope the local critters won't hurt my efforts in the long run.
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Ted ________________________ Owner & Sole Operator Of The Muddy Bucket Farm and Tomato Ranch |
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#3 |
Tomatovillian™
Join Date: Jan 2018
Location: Alabama
Posts: 26
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Moshou, I've had really good luck germinating old seeds soaking them in potassium nitrate for a bit and then using the ziplock baggie method. I then put them in a very warm area (85-90 degrees) in my grow room until they germinate. The last two years I've tried this method with some really old seeds and had very good luck germinating them. I love the story behind your seeds and I hope you have good luck getting them to grow. If you would like for me to try to germinate some I would be honored to try it. If you're interested, send me a PM for my address and I would be glad to trade some seeds with you.
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#4 |
Tomatovillian™
Join Date: Jan 2012
Location: Romania
Posts: 470
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Thank you all for your interest and advices.
I'll contact you shortly to put things in order Once again, many thanks PS. My offer for collaboration remains open. Do not hesitate to contact me
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Knowledge is knowing the tomato is a fruit, wisdom is not putting in your fruit salad Last edited by Moshou; July 18, 2019 at 10:20 PM. |
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#5 |
Tomatovillian™
Join Date: Feb 2013
Location: Czech republic
Posts: 2,534
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I'd also try.
Vladimír |
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#6 |
Tomatovillian™
Join Date: Jan 2012
Location: Romania
Posts: 470
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OK, Vladimir. glad to hear that
You are on my list.
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Knowledge is knowing the tomato is a fruit, wisdom is not putting in your fruit salad |
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#7 |
Tomatovillian™
Join Date: Oct 2011
Location: Germany
Posts: 833
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Hello
I do germinate my "very" old seeds like Ted. He wrote me his version and it works! This and last season I got from Spain very old seeds - and I have plants!!! Thank you Ted. Moshou, if you like, you can send me 3 seeds. Anneliese PS: the plants from your seeds grow very good! |
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#8 |
Tomatovillian™
Join Date: Jan 2012
Location: Romania
Posts: 470
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Many thanks Anneliese, of course I will gladly send you some seeds.
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Knowledge is knowing the tomato is a fruit, wisdom is not putting in your fruit salad |
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#9 |
Guest
Posts: n/a
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@groovy70s
I can see nitrates helping. They do help promote germination (without regard to age). @ContainerTed A good potting mix is sure a great idea. A bad mix can really put a damper on germination. I've found that ideal temperatures (for seeds without regard to age) are different for some varieties than others, but most like similar conditions. So, what is different about old tomato seeds that are harder to sprout vs. new tomato seeds? What changed, and why? Do they go dormant or something to help prolong viability? |
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#10 | |
Tomatovillian™
Join Date: Jul 2008
Location: 6a - NE Tennessee
Posts: 4,538
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So, my conclusion was that the germplasm had not only dried out, but probably had lost some of the chemistry needed to activate the seed's ability to produce a seedling. So, I felt that the addition of a small amount of very diluted NPK-type fertilizer might help the seeds by replacing some of that chemistry or at least making it easily available. This year, as an example, I had some seedlings that were from seeds that took more than 6 weeks to germinate. BTW, did I say that patience is also a requirement? LOL !!! Many folks soak their seeds before planting them. And they use a long list of what they use to do the soaking. This is just my theory and I have no scientific testing or data other than my germination numbers have gone up across the board. Hope there's something to help.
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Ted ________________________ Owner & Sole Operator Of The Muddy Bucket Farm and Tomato Ranch |
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#11 |
Tomatovillian™
Join Date: Oct 2014
Location: connecticut,usa
Posts: 1,151
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I used to use hydrogen peroxide,which is an oxidizer and decomposes into water.
The whiter the seeds the better.Spaghetti colored seeds would never germinate for me. Last edited by slugworth; August 1, 2019 at 11:06 AM. |
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#12 |
Guest
Posts: n/a
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ContainerTed and slugworth, Thanks for sharing that. That's very interesting!
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#13 |
Tomatovillian™
Join Date: May 2015
Location: Nanaimo , BC
Posts: 961
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It seems to me if you have a lot of old seeds 10 years +
1) more seeds trying to revive means better chance with even 1% germination rate and producing a viable individual plant ..etc. 2) optimum heat in growing medium 25 C ?? 3) high grow light stimulation (at least 12 hours ) 4) patience to wait possibly much longer 30 + days . (not the normal 7 days for emergence for some fresh seeds) 5) seeds lightly on top of medium kept moist (not soaked) (I have been known to use 1ply of a 2ply paper towel to keep seeds moist on top of medium) 6) use of potassium nitrate pre treatment or peroxide...could help .. ……………………………………………………………………………………………………………………. I have always wondered if extreme long term "waking up " success requires a very gradual process. A slow increase rehydration regime in the special old seeds(over a few days)... and also a slow temp ramp up to be sensitive to the old seeds... (2 days @5C , 2 days 10C , 2 days 15 C , 2 days 20 C, rest of revival attempt at 25C ) Just wondering if a gentle "ramp up " would be more successful to bring back ...old vintage treasure seeds ![]()
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So Many Tomatoes ...So Little Time ! |
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#14 |
Tomatovillian™
Join Date: Jan 2012
Location: Romania
Posts: 470
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Thanks for the ideas
There will be some attempts during this period and I hope they will be successful
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Knowledge is knowing the tomato is a fruit, wisdom is not putting in your fruit salad |
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#15 |
Tomatovillian™
Join Date: May 2016
Location: Greenville, SC
Posts: 122
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Is there a consensus on storing seeds in plastic baggies or paper envelopes?
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