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terraaustralis
Feb 1, 2019 3:39 PM CST
Hi,
I have a few xanthosoma robustum growing and have noticed the 2 lagest ones are sending out distorted leaves, at first I thought they were going to flower but they just keep sending out these deformed smaller leaves. It is our last month of summer here, our temps at the start of summer were between 112F & 105F but have settled over the last 2 months to average around 90F.
The plants get a good regular watering and are never allowed to dry out during summer.
I have one about 3 feet that is growing good, so I dont know what the problem is.
Hope some one can help.
Thanks


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[Last edited by terraaustralis - Feb 2, 2019 2:12 AM (+)]
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Name: Lin
Sebastian, Florida (Zone 10a)

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plantladylin
Feb 1, 2019 4:06 PM CST
Distorted leaves could be caused by insects, virus or herbicide sprays. If no pests are present, you could rule out that cause. If you are sure no one has sprayed herbicides in the area that possibly overspray/drift has reached your plants, you can rule out that cause too, which would lead to a viral issue. I found this page that lists two viruses that affect Xanthosoma: https://www.cabdirect.org/cabd...

This page shows photos of leaves affected by a virus. For photos, scroll down to Common Pests and Diseases, Category Viral; Alomae-bobone: https://plantvillage.psu.edu/t...

I'm sure other members who are familiar with Xanthosoma will be along with advice and suggestions.
~ Playing in the dirt is my therapy ... and I'm in therapy a lot! ~



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terraaustralis
Feb 1, 2019 7:37 PM CST
Thanks for your reply.
I should have mentioned that I checked the plants for pest and found nothing, there's no concern for herbicide sprays.
So that leave what I feared most, virus, this is a real concern after looking at some of the photos on the site from your post.
But under distribution, alomae & bobone is only in Papua New Guinea and Solomon Islands not in Australia. Having said that it could still be some other virus.
Thanks
[Last edited by terraaustralis - Feb 1, 2019 8:04 PM (+)]
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