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Main Banana Discussion This is where we discuss our banana collections; tips on growing bananas, tips on harvesting bananas, sharing our banana photos and stories.


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Old 10-05-2022, 01:55 PM   #1 (permalink)
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Default What causes stem rot?

Hi all,

Iím not experiencing this personally yet, but itís bound to happen at some point. What generally causes it? Couldnít find too much Info. Ik it causes browning and breaking of the stem, but is it linked with root rot?

Cheers
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Old 10-05-2022, 02:11 PM   #2 (permalink)
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Default Re: What causes stem rot?

Quote:
Originally Posted by drone View Post
Hi all,

I’m not experiencing this personally yet, but it’s bound to happen at some point. What generally causes it? Couldn’t find too much Info. Ik it causes browning and breaking of the stem, but is it linked with root rot?

Cheers
Excessive moisture.
A plant has more water than it can use.
One of your plants in another post has stem/ excessive moisture issues.


A Youtube search with keywords stem rot, root rot, tropical plant rot, overwatering, should answer all of your questions of the causes and cures that will affect your tropical plants.
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Old 10-05-2022, 02:47 PM   #3 (permalink)
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Default Re: What causes stem rot?

Generally cold and wet.
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Old 10-05-2022, 02:51 PM   #4 (permalink)
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Default Re: What causes stem rot?

Quote:
Originally Posted by cincinnana View Post
Excessive moisture.
A plant has more water than it can use.
One of your plants in another post has stem/ excessive moisture issues.


A Youtube search with keywords stem rot, root rot, tropical plant rot, overwatering, should answer all of your questions of the causes and cures that will affect your tropical plants.
Yeah, I changed the potting mix but have no stem rot luckily. Plant In the other post is in 19+
Degree and between 20-30 degree soil temp
Never below 18��

Thanks

Last edited by drone : 10-05-2022 at 02:54 PM.
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Old 10-05-2022, 06:01 PM   #5 (permalink)
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Default Re: What causes stem rot?

Quote:
Originally Posted by drone View Post
Hi all,

Iím not experiencing this personally yet, but itís bound to happen at some point. What generally causes it? Couldnít find too much Info. Ik it causes browning and breaking of the stem, but is it linked with root rot?

Cheers
It really depends on what part of the plant you are calling the stem. A banana has a below ground stem and a fake stem made up of leaf sheaths aka pseudostem that grows above the ground. If you are referring to the pseudostem rotting as seen in your variegated Tani photo, that is not caused by excessive moisture or excessive lack of moisture. That type of rotting has to do with a non-functioning vascular system between the leaf sheath and the cortex. This type of rot can easily spread to other leaf sheaths that are in direct contact depending on the variety.
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Old 10-06-2022, 01:21 AM   #6 (permalink)
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Default Re: What causes stem rot?

Quote:
Originally Posted by PR-Giants View Post
It really depends on what part of the plant you are calling the stem. A banana has a below ground stem and a fake stem made up of leaf sheaths aka pseudostem that grows above the ground. If you are referring to the pseudostem rotting as seen in your variegated Tani photo, that is not caused by excessive moisture or excessive lack of moisture. That type of rotting has to do with a non-functioning vascular system between the leaf sheath and the cortex. This type of rot can easily spread to other leaf sheaths that are in direct contact depending on the variety.
Thanks PRGaint.

Good info to know! I guess the other type with the main centre leaf snapping and rotting is caused by overwatering.

Thanks
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Old 10-07-2022, 08:58 AM   #7 (permalink)
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Default Re: What causes stem rot?

Quote:
Originally Posted by drone View Post
Yeah, I changed the potting mix but have no stem rot luckily. Plant In the other post is in 19+
Degree and between 20-30 degree soil temp
Never below 18��

Thanks
Your rotting stem is acting like a sponge and wicking the excess water in your soilless mix.
Hopefully in your warmer indoor conditions, new soil and longer time under artificial lighting the plant will sort itself out.
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Old 10-07-2022, 09:21 PM   #8 (permalink)
 
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Default Re: What causes stem rot?

"Direct" moisture such as a humidifier to the stem. Not enough sunlight. Not hot enough.
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Old 10-09-2022, 06:18 AM   #9 (permalink)
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Default Re: What causes stem rot?

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"Direct" moisture such as a humidifier to the stem. Not enough sunlight. Not hot enough.
I've cut back the stem, removed the rotting outer stem and exposed the upper corm. it's in rehab. i put a small plastic bag over the very top for the greenhouse effect and to prevent dry air from drying out the very top

This is it today, it's grown slightly in the last 1-2 days. so it's not dead yet lol thankfully.
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Old 10-09-2022, 06:28 AM   #10 (permalink)
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Default Re: What causes stem rot?

Quote:
Originally Posted by texasmusa View Post
"Direct" moisture such as a humidifier to the stem. Not enough sunlight. Not hot enough.
It ainít perfect but itís the best I got 😂

Last edited by drone : 10-09-2022 at 06:31 AM.
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