Houseplants forum→Help with Alocasia Cuprea

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Ontario
Flap15
May 9, 2020 7:39 AM CST
I received this plant 10 days ago. It was shipped to me but only spent two days in transit. There were a couple of small marks on the leaves when I opened the package but they were minor and I attributed it to being knocked around in transit.

The spots have become much worse and appear to be spreading. Does anyone have an idea what the problem is?
The plant is in it's 4" nursery pot and located close to an east window. The first couple if days it received an hour or so of early morning direct sun but has since been moved so it is only in indirect light.

First pic was taken after unboxing showing the minor marking and the next are of a second leaf and how the original one looks now.
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Name: Gina
Florida (Zone 9a)
Tropical plant collector 35 years
Region: Florida Tropicals Aroids
Image
Gina1960
May 10, 2020 6:53 AM CST
ALocasia cuprea can be finicky. Did you receive it in the pot and leave it there? How have you been watering? They are one of the 'jewel' alocasias and prefer to be treated more like a succulent as far as watering goes, BUT they also like high humidity. I grow mine in a terrarium. Overwatering is what kills most jewel alocasias. I have never seen Dasheen Mosaic Virus on an alocasia cuprea, but it is possible that your plant may be infected. It has become so very prevalent in the aroid market today. It has been found widely infecting commercially mass produced Monstera adansonii lately, even been found sitting on the bench at nurseries next to all the other healthy plants. It is very contagious. Where did it come from? The plant?

I am not saying your plant has it but I would isolate it from any other plants. There is no treatment.

Does your plant only have the one leaf? If it does off, don;t toss the plant (yet) keep it and see if it produces new growth, and if the new growth is normal.

As far as light is concerned these can take a lot of light.

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Ontario
Flap15
May 10, 2020 1:02 PM CST
Thank you for the reply. It is in the 4" pot it came with. The mix is very quick draining. It appears to be orchid bark, perlite, pumice, and perhaps coconut husk. I've been watering it every three to four days. The pot seems to get dry and light quite quickly. I know I will likely have to increase the humidity.

The plant has five leaves, one large and four smaller ones. One leaf is perfect and the other four have varying degrees of symptoms. The plant came from a highly rated seller on Etsy who appears to take a lot of care with his plants but I guess anything is possible.
Name: Gina
Florida (Zone 9a)
Tropical plant collector 35 years
Region: Florida Tropicals Aroids
Image
Gina1960
May 10, 2020 1:49 PM CST
Well all you can do is wait and see. I know Dasheen Mosaic affects a lot of different species...I had to destroy some Colocasia that had it. Most commonly it takes the appearance of making you thing that you plant is throwing variegated or patterned leaves, but not always.

I would take the precaution of treating it with both a fungicide and a systemic insecticide, just in case. I used to grow these years ago as greenhouse plants. Now I grow them as terrarium plants. When I had them years ago they were in tissue culture production and inexpensive, of course now they cost 2 arms and a leg. So maximize your chances of success and cover every possibility
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justei
Apr 6, 2021 7:29 AM CST
Hi there,

Found this thread and I thought would try asking for some advice about my Alocasia cuprea.
As in in the pictures below, you can see that some leaves are showing strong signs of 'veinal chlorosis".
I am not sure this is it, but just referring to the problem.
I have had the plant since last November. In the beginning my Alocasia shed some leaves, which wilted slowly yellowing from the edges. I thought this is normal since new location and winter season.
Since March, 2 new leaves sprouted ,and 2 other are soon to roll out, however in the past 10 days plant started yellowing from the leaf veins. Out of 9 Leaf, 4 are showing these signs.

Any help and insights would be highly appreciated.
Thanks


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Name: Gina
Florida (Zone 9a)
Tropical plant collector 35 years
Region: Florida Tropicals Aroids
Image
Gina1960
Apr 6, 2021 8:04 AM CST
If this were mine I would think it has DMV. I'd quarantine it and try to have it tested or at least an opinion rendered by your local Agricultural Extension office
Award winning beaded art at ceinwin.deviantart.com!

justei
Apr 7, 2021 2:24 AM CST
ohh, did not suspect any of this.... thank you.

justei
Apr 7, 2021 8:49 AM CST
ohh, did not suspect any of this.... thank you.

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