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Tissue Culturing & Other Propagation Techniques of Banana Plants This forum is for discussing propagation techniques of banana plants. Tissue culturing is the popular process of creating clones from a source plant. There are other techniques to propagate banana plants however, such as nicking corms or dividing corms. Learn more inside.


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Old 01-18-2014, 10:09 PM   #1 (permalink)
 
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Default explant questions

Hello I am new to the banana tree and had a few basic questions about taking an explant for tissue culture.

from what i have read the only place to take an explant from is the corm?

the only banana trees easily avaliable to me are still fairly young and small (1 meter or so tall) in pots and no suckers or pups above soil line anyway.

if i were to try micropropagate one of these avaliable trees i assume i would have to sacrafice the tree to get to the meristem?

how big is the part of the corm that contains meristem tissue and can I cut this piece of tissue into smaller portions / more explants?

appretiate the help
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Old 01-20-2014, 12:05 PM   #2 (permalink)
 
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Default Re: explant questions

On the top-center of the corm, surrounded by the leaf bases, is the apical meristem located. The basal tissue is the corm tissue itself. Starting from a potted plant, you have to cut the pseudostem, roots, and clean the corm all around. You may end with something like this:



That would be small enough to start disinfection, and then you need to go on cleaning again to remove more leaf bases and corm tissue to reach an approximate size of 1 cm3. Often people just cut that 1-cm3 cube in two halves in order to have 2 explants from every apex. The reason is that there are axillary buds at the insertion site of every single leaf base, so by adding cytokinins you activate them and therefore you dont worry too much about the apical meristem. For your first time I would not recommend to do this. Instead, keep the piece as a whole and add cytokinins. You would probably get a main shoot and induce lateral shoots at the same time.

Check this for a halved explant:
Tissue culture musa velutina, musa zebrina and 1000 fingers

Good luck and keep briefing ...
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Old 01-20-2014, 03:17 PM   #3 (permalink)
 
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Default Re: explant questions

thankyou very much pebeju that helps alot.

I will go grab a couple of banana tree during the week to have a practice on ill post the results
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Old 01-28-2015, 12:08 PM   #4 (permalink)
 
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Default Re: explant questions

it is very good fruits in this world i like it
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