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lydiebell 07-05-2012 12:29 AM

white mold growing on banana tree and small flies on it and in soil
 
So I poste in here before asking for help with my banana tree. it has not died yet. the blackening and browning has ended. another new leave is forming and the black and brown 2 mostly dead leaves are still on it. spider mites are long gone. I am hesitant to cut off any more dead leaves from it since there i cut off the previous ones there has started to grow white mold on it. there are also flies all over in the soil that are getting starting to get on the tree. not sure what to do here. it is getting even sadder and it seems every time i start to clear up one problem another comes along. please help me save Benjamin, my banana tree

Here is a link to my previous post that talks about what have been the problems and how i have been trying to care for him. http://www.bananas.org/f2/help-sick-...ack-15934.html

venturabananas 07-05-2012 10:23 AM

Re: white mold growing on banana tree and small flies on it and in soil
 
The little flies sound like fungus gnats, which you get when the soil is staying moist all the time. They won't harm the plant, but their presence suggests you might be overwatering. Cut off any parts of the plant that are completely dead and let the plant dry out to kill the mold growing on it. If the weather is appropriate where you live, getting outside in full sun should help, though don't shock it by taking it from outside and putting it straight into full sun.

Posting some new photos would help us see what is going on with the plant.

sunfish 07-05-2012 10:26 AM

Re: white mold growing on banana tree and small flies on it and in soil
 
Is it white mold or mealybug ?

Olafhenny 07-05-2012 06:36 PM

Re: white mold growing on banana tree and small flies on it and in soil
 
Hi Lydiebell

There is a fairly new product on the market, which I have tried after a fungus not only deposited
itself on the leaves of my grapes, but destroyed the fruit completely. The berries shrunk and
turned greyish black. Not a single edible berry remained on three large vines.

Sometime during the summer I heard about Serenade a biofungicide. It comes from Germany,
where the laws against chemicals in food are the strictest on the planet. It can be used right up
to the day of harvest.

I bough a liter of the concentrate for just under $30.-, which will last me a decade, and sprayed
3 times at weekly intervals, beginning when the leaf buds just started to break open. My vines
have never looked as healthy as they do now.


See: BASF Serenade biofungicide for zero pre-harvest intervals - YouTube


If the white stuff is any kind of fungus, I'd highly recommend the product.

Good luck,
Olaf



caliboy1994 07-05-2012 07:35 PM

Re: white mold growing on banana tree and small flies on it and in soil
 
Quote:

Originally Posted by Olafhenny (Post 199598)
Hi Lydiebell

There is a fairly new product on the market, which I have tried after a fungus not only deposited
itself on the leaves of my grapes, but destroyed the fruit completely. The berries shrunk and
turned greyish black. Not a single edible berry remained on three large vines.

Sometime during the summer I heard about Serenade a biofungicide. It comes from Germany,
where the laws against chemicals in food are the strictest on the planet. It can be used right up
to the day of harvest.

I bough a liter of the concentrate for just under $30.-, which will last me a decade, and sprayed
3 times at weekly intervals, beginning when the leaf buds just started to break open. My vines
have never looked as healthy as they do now.


See: BASF Serenade biofungicide for zero pre-harvest intervals - YouTube


If the white stuff is any kind of fungus, I'd highly recommend the product.

Good luck,
Olaf



I wonder if that would work against more serious diseases like black sigatoka and Panama disease?

Olafhenny 07-05-2012 07:56 PM

Re: white mold growing on banana tree and small flies on it and in soil
 
Quote:

Originally Posted by caliboy1994 (Post 199603)
I wonder if that would work against more serious diseases like black sigatoka and Panama disease?

I am not familiar with either of the two, and since I live in HZ 6 in Canada, I am not likely to be
confronted with them. However, since they are both fungal diseases, I would certainly give it a try.
The most you can lose is ~$30 for the concentrate, though you still can use it for all kinds of other
fungal problems, in case it does not work on those two.




venturabananas 07-05-2012 08:07 PM

Re: white mold growing on banana tree and small flies on it and in soil
 
I have found Serenade to be effective for some fungal diseases and not others (on tomato plants). But it is certainly worth a shot. There's also a similar product called Actinovate, which some folks think is better and would cost less if you were having it shipped because it comes dry, in very small packets.

Olafhenny 07-05-2012 09:11 PM

Re: white mold growing on banana tree and small flies on it and in soil
 
Actinovate would certainly be the way to go, if you have it shipped to you, because S&H often
exceed the costs of the product.

However I prefer to buy in a store (either product), since it helps your local economy and is
usually cheaper, even if the product costs more.





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