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Old June 1, 2020   #121
NathanP
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Here is a video about using stems. They are using a similar method to what we are discussing, but with clean, disease free potato material.

https://www.youtube.com/watch?v=PdQLYtfbWZw


The goal is cleaner seed tubers to sell because it would be fewer generations between tissue culture and sale to customers

Last edited by NathanP; June 1, 2020 at 08:00 AM.
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Old June 1, 2020   #122
slugworth
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I topped some plants last week to clone.
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Old July 5, 2020   #123
slugworth
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4 plants I topped @5 weeks.
2 didn't set any roots but stayed alive and green.
The anemic looking one had a goiter that is sprouting leaves.
The biggest one made roots and sent out another shoot.
I would say the bigger the better if you are topping plants.
Shoe-box size box no drainage potting soil mix kept wet.
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Old September 8, 2020   #124
wmontanez
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Nice to see some other people got some useful info from this post. Longer season potatoes do better with this method. I do it to multiply plants when I only have 1 seed potato.
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Old 3 Weeks Ago   #125
bboomer
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My volunteer sprouts experiment yielded....disappointing results. Maybe ten pounds of potatoes came from a 20 foot row that was filled with large vigorous plants this summer. Well, there is always next year!
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Old 1 Week Ago   #126
NathanP
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Quote:
Originally Posted by bboomer View Post
My volunteer sprouts experiment yielded....disappointing results. Maybe ten pounds of potatoes came from a 20 foot row that was filled with large vigorous plants this summer. Well, there is always next year!

What potato varieties were you trying this with?


Wendy is correct when she claims this works much better with long season potatoes. If you try this with early to mid season potatoes, they tend to start to senesce much to early to produce much. It has something to do with disruption of normal potato hormones when the plant is disconnected from the seed tuber. Disconnecting the stems usually starts the process of senescence in all but long season potatoes (150+ days), and in more determinate varieties, much too early.

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Old 8 Hours Ago   #127
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The volunteer sprouts were Kennebeck, a late maturing potato.
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