Sum and Substance with HVX

Discuss Hosta Virus X and share pictures and information on this ever increasing threat to hosta growing.

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Sum and Substance with HVX

Postby redcrx » Apr 26, 2016 1:53 pm

I was in a BIG box store today and they had a large group of good sized Sum and Substance. I noticed dark markings along the veins which always says "virus" to me. Then I got to thinking about frost damage.
Can you tell which this is.
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Sum and Substance with HVX

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Re: Sum and Substance with HVX

Postby redcrx » Apr 26, 2016 1:56 pm

More samples:
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Re: Sum and Substance with HVX

Postby Chris_W » Apr 27, 2016 7:42 am

The sunken patches would indicate HVX and the other thing about frost that settles into the veins is that they will only show dark when the leaves are wet. Once the leaves dry out those dark streaks will disappear.

Also you can use my technique of holding the leaves up to some light. If you see the green streaks through the leaves it is HVX.

Looking at these pictures I am 100% confident you are looking at a whole bunch of HVX infected Sum and Substance. Can you let this nursery know about it, or file a complaint with the agriculture department?
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Re: Sum and Substance with HVX

Postby redcrx » Apr 27, 2016 12:34 pm

Yes, I let know there was a problem. We will see if anything happens.
Ed McHugh, Sicklerville NJ
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