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Hoyas: what is going on here?

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Forum: HoyasReplies: 8, Views: 265
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locoluna
Orlando, FL

February 11, 2011
9:00 AM

Post #8366350

H.kerrii leaves.

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tropicbreeze
noonamah
Australia

February 11, 2011
3:47 PM

Post #8366957

Looks like fungus. Are all the leaves like that or just the oldest? I get something similar on older leaves during the wet season on my H. australis. Seems all the excess water stops the leaf from drying out normally when it senesces. In the dry season the leaves dry out normally. Otherwise, the plants are unaffected. So if it's only the old leaves, most likely a lot of or too much water with fungus getting on the dying leaf.
locoluna
Orlando, FL

February 13, 2011
5:47 AM

Post #8369441

I'm not real sure. That particular H.Kerri variegated seems to be more prone to this issue. Since I brought it inside for winter, it has gotten worse. As far as my green Kerri..
It gets a leaf like that once in a while by soil line. I hope its nothing. I love the variegated one. Thanks for your input. :) Melanie
plantladylin
South Daytona, FL
(Zone 9b)

February 14, 2011
7:56 AM

Post #8371344

It looks like a fungal infection to me too. I've had this happen to Hoya as well as other plants, especially if we get a lot of rain after I've already watered. I found a couple of leaves like that recently ... I watered everything really well, then we had tons of rain for two days, and then we had another cold snap with some very cold nights ... triple whammy to my poor plants!

Scroll down this page in the "sticky" thread at the top of the hoya forum regarding pests and diseases of Hoya's. There are photo's of leaves with sun damage and one a bit farther down showing fungal infection: http://davesgarden.com/community/forums/t/471984/


locoluna
Orlando, FL

February 14, 2011
5:41 PM

Post #8372501

Hey Lin. Long time no chat!! I've been lost in a void and off the garden for some time. So I'm back and have lots of plant issues. Thanks a million!! Going there now. :) Melanie
jamiew
Montgomery, AL

February 14, 2011
8:39 PM

Post #8372755

So good to see a post in Hoyas! My kerri variegated has lost some old leaves like that this winter too. Cold and wet.
EileenAZ
Tucson, AZ
(Zone 9a)

March 27, 2011
6:41 PM

Post #8454507

Would a small fan help?
biddy52
BROOKFIELD
Australia

July 27, 2012
4:41 PM

Post #9220826

locoluna wrote:H.kerrii leaves.


I have a Hoya, which originated from cuttings my father brought home from a farm his parents used to own in Tennison, Vic. I have been growing it ever since and given heaps of cuttings away. I have since moved to Qld and then back to Victoria, and it has managed to stay alive in both climates. I don't know the name, but salmon pink flower. However, I have had the same thing happen to leaves and it doesn't seem to worry the plant. I cut them off and throw them away, in case they carry spores. I think it only happens to old leaves too! Sometimes also sun damage! If the leaf is wet and then hit by hot sun. Sorry I can't believe I haven't got a flower photo. My father has been dead since mid 1980's - I will have to take photo's this year for sure!
tropicbreeze
noonamah
Australia

July 27, 2012
5:00 PM

Post #9220847

Probably Hoya carnosa.

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