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Banana Plant Health And Maintenance Topics This forum is for discussions of banana plant health topics such as coloration issues, burning, insects, pruning, transplanting, separating pups, viruses, disease, and other general banana plant health and maintenance issues.


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Old 01-02-2017, 11:39 AM   #1 (permalink)
 
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Default new issue. bananas turning black & dying HELP

I was watering today and noticed a few bananas turning brown and obviously dying on one bunch, and so I looked more closely at the others and found half a hand, not the bottom hand either, shriveled and black. They are on different pups on the same mat. The whole mat has been less vigorous and has not looked well since the hurricane, but they didn't get blown over, so... I don't know what it is.

These are the black ones on one of the upper hands...


This is the other one with the browning ones at the bottom. I photoshopped the affected area so you could see it better.



On another note, I have this small Paggi pup with browning on the edge of it's leaves. I am assuming it is from the low 40's a couple nights ago as it suddenly appeared after that. It seems to be worse on the newest leaf. My 3640 has a similar thing on it's new leaf. Let me know if it may be something else... Thanks to all.
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It's coming up to that time of year...
http://hubpages.com/living/Heating-Y...urning-Furnace

Varieties I supposedly bought: Manzano, Cavendish, Blue Java, Sweetheart, and Gros Michel.
What it seems I actually have: Brazilian, Cavendish, Namwah, Dwarf Red, Gros Michel, Pisang Ceylon, Veinte Cohol and SH 3640, and American Goldfinger. FHIA 1, Paggi and FHIA 17... Always room for one more.

Last edited by sputinc7 : 01-02-2017 at 12:38 PM.
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Old 01-02-2017, 01:43 PM   #2 (permalink)
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Default Re: new issue. bananas turning black & dying HELP

The edge burning could be a too hot shot of fertilizer or possibly from the cold
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Old 01-02-2017, 02:52 PM   #3 (permalink)
 
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Default Re: new issue. bananas turning black & dying HELP

I added a shovel of horse manure to the soil and mixed it in good a couple weeks before planting, but that's all. I will assume cold as both plants did the same thing at the same time, though it was only on the newest leaf on the 3640 but on all the leaves on Paggi, but more pronounced on the newest leaf.
I hear tell that 3640 is pretty cold hardy, though. GM and Cavendisn or VC showed no signs of cold problems today and they are supposed to be sissies.

Thanks, Nick.
BTW, Nick.. I have not yet seen a banana grow so quick as that FHIA 17... wow. 4 new leaves in the time Paggi and goldfinger made 2 ea.
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It's coming up to that time of year...
http://hubpages.com/living/Heating-Y...urning-Furnace

Varieties I supposedly bought: Manzano, Cavendish, Blue Java, Sweetheart, and Gros Michel.
What it seems I actually have: Brazilian, Cavendish, Namwah, Dwarf Red, Gros Michel, Pisang Ceylon, Veinte Cohol and SH 3640, and American Goldfinger. FHIA 1, Paggi and FHIA 17... Always room for one more.
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Old 01-02-2017, 04:42 PM   #4 (permalink)
 
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Default Re: new issue. bananas turning black & dying HELP

I also agree the low 40s temp caused the browning.. The other finger do not look well in the photo.
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Old 01-04-2017, 11:10 PM   #5 (permalink)
 
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Default Re: new issue. bananas turning black & dying HELP

I can see they do not look well. I was hoping someone might know why and be willing to share that info.
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It's coming up to that time of year...
http://hubpages.com/living/Heating-Y...urning-Furnace

Varieties I supposedly bought: Manzano, Cavendish, Blue Java, Sweetheart, and Gros Michel.
What it seems I actually have: Brazilian, Cavendish, Namwah, Dwarf Red, Gros Michel, Pisang Ceylon, Veinte Cohol and SH 3640, and American Goldfinger. FHIA 1, Paggi and FHIA 17... Always room for one more.
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Old 01-05-2017, 07:21 AM   #6 (permalink)
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Default Re: new issue. bananas turning black & dying HELP

Steven,



The browning on the leaves its because of the low 40's temp....I also experience the same in some of my 'nanas on my location in South Florida last week that temp went down to the 50's for a couple of days, then temp went up to the "normal" range of high 70's to 80's.....'nanas should recover quickly!....
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Old 01-05-2017, 07:23 AM   #7 (permalink)
 
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Default Re: new issue. bananas turning black & dying HELP

It's hard to tell from photos.

The fruit looks to be withering/drying. We know banana plants 'go dormant' (shut down) when temps are below 50 deg F. Some come back when the weather warms, but not all. Further, this is a mature stalk that has fruited; it may simply be 'done for' and not going to recover.

You stated the mat has not looked well since the hurricane this summer. Is it possible the mat was flooded with salt water or small amount?
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Old 01-05-2017, 10:45 AM   #8 (permalink)
 
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Default Re: new issue. bananas turning black & dying HELP

No salt water, I am 9 miles from the ocean. It was actually a pretty dry hurricane as we only got 4 inches of rain. Both of these had fruit when the storm hit, but one had just flowered and the other was flowering when it came. All pups seem to be growing well and the other one which flowered a couple weeks after the storm has not had this problem, so far. I am just perplexed by it as I already got 2 bunches from this mat trouble free. When I cut down the stalk about a month after the storm from the last bunch, it showed no signs of disease inside at all. I just don't want this to spread if it's some bug or disease which is why I am asking.
I water regularly and they are well fertilized so that's not it. Last winter this mat had a bunch on all winter and we had 2 frosts where the roof and grass were white and it didn't hurt the fruit or even brown the leaves, so I doubt it's the cold, either.
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It's coming up to that time of year...
http://hubpages.com/living/Heating-Y...urning-Furnace

Varieties I supposedly bought: Manzano, Cavendish, Blue Java, Sweetheart, and Gros Michel.
What it seems I actually have: Brazilian, Cavendish, Namwah, Dwarf Red, Gros Michel, Pisang Ceylon, Veinte Cohol and SH 3640, and American Goldfinger. FHIA 1, Paggi and FHIA 17... Always room for one more.
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Old Today, 09:57 AM   #9 (permalink)
 
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Default Re: new issue. bananas turning black & dying HELP

Still going on. The slow loss of bananas and the one bunch is still scrawny little fingers. I water every 2-3 days... ?
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If you lose your head and give up, you neither live nor win.




It's coming up to that time of year...
http://hubpages.com/living/Heating-Y...urning-Furnace

Varieties I supposedly bought: Manzano, Cavendish, Blue Java, Sweetheart, and Gros Michel.
What it seems I actually have: Brazilian, Cavendish, Namwah, Dwarf Red, Gros Michel, Pisang Ceylon, Veinte Cohol and SH 3640, and American Goldfinger. FHIA 1, Paggi and FHIA 17... Always room for one more.
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Old Today, 10:22 AM   #10 (permalink)
 
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Default Re: new issue. bananas turning black & dying HELP

Hummm ... no improvement. Some thing has to be going on with this plant. The fruit is not growing and is withering; leaves are slowly turning yellow. Sap flow to the upper part of the plant is reduced or cut-off. ... There is no signs of black spots which might indicate a surface fungus infection of the plant.

I suggest cutting the pstem down and split it open to look for an internal cause of the problem; insect, worm, or internal infection. I think you will find definite internal damage to the pstem or damage extending from the corm. ... This would help you to treat future plants and fruit crops. ... The current fruit is lost anyway.

Oh ... water every 2 or 3 days???? You could have 'root rot'. there are no roots left to take up water for the plant. Thus the withering. If this is so, you might still have a chance to save the corm.
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Old Today, 11:08 AM   #11 (permalink)
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Default Re: new issue. bananas turning black & dying HELP

I read that sometimes finger drop can be a result of high N-K ratio. I think that bunch is done for, but you can try just fertilizing with potassium and other micronutrients next time.
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Old Today, 01:05 PM   #12 (permalink)
 
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Default Re: new issue. bananas turning black & dying HELP

Quote:
Originally Posted by Nicolas Naranja View Post
I read that sometimes finger drop can be a result of high N-K ratio. I think that bunch is done for, but you can try just fertilizing with potassium and other micronutrients next time.

I agree. And, since that stalk has fruited, it is done for too. Cut it open while fresh; and look for any other possible cause. I believe it has been stated this is the same plant you've had similar problem with before.
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