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Sanshin 11-09-2019 06:02 PM

Help diagnosing my plant!
 
Hi all hoping for some help diagnosing/treating my banana plant issues:

Had a heavy mite problem which I've treated and seem to have dispelled with insecticide, but my plant is showing several symptoms of distress:

-leaves are dropping
-main stalk was leaning over progressively
-new leaves are very thin as they shoot out and unfurl
-new leaves seem to have brown spots before they even unfurl
-some black showing on main stalk and where the leaves branch off the main stalk
-leaves seem to be developing redish spots underneath as they age

It is placed right beside our sunniest window, though it is quite cloudy in the winter months in Victoria.

Watered anytime the topsoil dries out which seems to be every 24hrs

Still pushing new leaves but at a much slower rate than when bought, and these leaves are significantly smaller than when first brought home about 5 months ago, midsummer.

Have added a small amount of generic house plant fertilizer, but planning to buy some with banana specific ratio asap.

I know it's a Musa, but not sure the specific type as I've lost the card, oops!

Any help identifying the issues it's having would be greatly appreciated. Check out the pictures for specifics!

beam2050 11-10-2019 06:02 AM

Re: Help diagnosing my plant!
 
Quote:

Originally Posted by Sanshin (Post 327834)
Hi all hoping for some help diagnosing/treating my banana plant issues:

Watered anytime the topsoil dries out which seems to be every 24hr

sounds like your drowning it, inside the house watering once a week might be to much.

Katie Thompson 11-10-2019 08:10 AM

Re: Help diagnosing my plant!
 
I had a plant indoors this year for almost a year. At first, I basically forgot it was inside (room wasn't 'used much, it was off to the side) and I believe I didn't water it for almost 2 months. It got indirect light from a tiny window near the 14 foot ceiling. Tree was about 3 feet tall. No fertilizer. No attention at all, the poor thing! And strangely... it grew! slowly, but new cigar leaves came out and unfolded, beautiful and green. The leaves looked great.

Finally, after about a year of this (I think I watered 5-6 times total--once I saw it was doing well, I only watered rarely, like a good dousing once a month) I decided to let it go back outside with its friends. By now it had 2 large pups, and only a little browning around the two oldest leaves.

anyhoo, I just trimmed off the 'flawed' leaves (made me crazy) and it's outside getting doused with everyone else, and growing like haywire.

If it hadn't been for me simply forgetting that plant, I would NEVER have believed I could let a banana go without water for that long.

I put another plant in its place in the side room, and I'll try the same treatment. It's 6 feet tall, and just put out a beautiful new leaf.

Moral of the story: Watering inside is over-rated. (Pretend it is nice wine, and you will be more stingy with it! :) )

pjkfarm 11-10-2019 07:31 PM

Re: Help diagnosing my plant!
 
What about when it flowers? Huge amount of new biomass which needs water - so does one increase? We do with Ensete which have massive flowers and I fear we may overdo the flowering bananas as we want BIG bananas :-)

Katie Thompson 11-11-2019 06:28 AM

Re: Help diagnosing my plant!
 
If that question is for me (the neglectful indoor gardener), then I would say it will not happen inside! Not in my poor lighting conditions. Outside is another happy fruity story! But yes, lots of water for fruiting.

On the other hand, once the fruit is formed under the bright sun, I would imagine (and you experts: please advise) that not that much new biomass is added. No new leaves forming, only fruit maturation occurring. I would be cautious to not over-water.

cincinnana 11-13-2019 09:04 AM

Re: Help diagnosing my plant!
 
Quote:

Originally Posted by Sanshin (Post 327834)
Hi all hoping for some help diagnosing/treating my banana plant issues:

Had a heavy mite problem which I've treated and seem to have dispelled with insecticide, but my plant is showing several symptoms of distress:

-leaves are dropping
-main stalk was leaning over progressively
-new leaves are very thin as they shoot out and unfurl
-new leaves seem to have brown spots before they even unfurl
-some black showing on main stalk and where the leaves branch off the main stalk
-leaves seem to be developing redish spots underneath as they age

It is placed right beside our sunniest window, though it is quite cloudy in the winter months in Victoria.

Watered anytime the topsoil dries out which seems to be every 24hrs

Still pushing new leaves but at a much slower rate than when bought, and these leaves are significantly smaller than when first brought home about 5 months ago, midsummer.

Have added a small amount of generic house plant fertilizer, but planning to buy some with banana specific ratio asap.

I know it's a Musa, but not sure the specific type as I've lost the card, oops!

Any help identifying the issues it's having would be greatly appreciated. Check out the pictures for specifics!

Do they looks like these beauties.
This is what they do went they are brought inside for the winter and given less than perfect conditions.


Ragged plants

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Hostafarian
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