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Hostas: HVX Example photos. Known "Infected" pics only, Part 2

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ViolaAnn

ViolaAnn
Ottawa, ON
(Zone 5a)

May 22, 2009
2:33 AM

Post #6581333

Am continuing this from part 1 now that some of us are beginning to find infected plants in our gardens.

Largosmom started part 1 with these words
Quoting:Hi all, this thread is to help others learn to identify HVX on their hostas. Please post your photos of "known" infected hostas...or at least "likely" hostas. In order to keep this thread focused, please post your pic of a hosta needing HVX identification in a new thread...it will get immediate attention that way. I hope this is OK as we have info scattered about. I have a few photos of hostas obviously infected, and some likely ones that I can share. Apologies on the clarity of some of the photos. I took many with a new camera phone. Warning on my photos, I use Paint Shop Pro to color correct and enhance my photos. It is needed due to the lack of control or lighting at the nurseries where I took many of my photos. It is possible that this process may enhance some aspects of the leaves so that you can tell if the hosta may have HVX, or it may make a "possible" look infected when it may not be. Hopefully Chris or the "real" experts will post if they see something that needs correction. I've also done my best to get the variety of the hosta correct, but in many cases am depending on the tag, which I take of a photo of prior to photographing the rest of the hosta...sometimes the glare washes out the name. Again, corrections are invited.


You can go back to look at Part 1 at http://davesgarden.com/community/forums/t/615405/

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ViolaAnn

ViolaAnn
Ottawa, ON
(Zone 5a)

May 22, 2009
2:37 AM

Post #6581354

The picture above and the next couple are from my infected Mountain Snow. It only unfurled in the last two days and Chris from Hallson' s said, "Yes, that is Hosta Virus X. The lighter color is right along and radiating out from the veins.

Sorry :("

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ViolaAnn

ViolaAnn
Ottawa, ON
(Zone 5a)

May 22, 2009
2:39 AM

Post #6581368

Another leaf

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2racingboys
Bartlett, TN
(Zone 7b)

May 22, 2009
2:46 AM

Post #6581410

wow, sorry to see that.
Thanks for showing us what to watch out for.
Guess i need to go do an inspection myself.
ic_conifers
Iowa City, IA
(Zone 5a)

May 22, 2009
1:55 PM

Post #6582580

My 'Stained Glass' and 'Guacamole' looked terrible early this year, they both frost heaved. They are also both from the same garden center, planted at the same time last summer. New leaves grew out on Guac and it looking a lot better, but I have some serious concerns about SG.

ViolaAnn

ViolaAnn
Ottawa, ON
(Zone 5a)

May 22, 2009
3:03 PM

Post #6582861

ic_conifers - please post pictures of them on a separate thread here on DG and also on Hallson's HVX forum and if they are confirmed as infected, then post them on this thread as well. The Hallson forum is at: http://www.perennialnursery.com/forums/viewforum.php?f=63 You have to sign up to post, but it's free and Chris is likely the best expert on HVX in the business.

This message was edited May 22, 2009 11:53 AM
ic_conifers
Iowa City, IA
(Zone 5a)

May 22, 2009
3:51 PM

Post #6583079

Viola, I won't post them here unless they are confirmed, I will post them in a separate thread.

Elizabeth

tcs1366

tcs1366
Itasca,IL&Lk Delton, WI
(Zone 5a)

May 23, 2009
1:24 AM

Post #6585227

this is one I found in our RV Park... you all said it was infected, and i never posted a photo.

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City_Sylvia
Dallas, TX

May 30, 2009
2:30 AM

Post #6616176

OMG Tee! which Hosta is this?
hostajim1
Port Orchard, WA
(Zone 8a)

May 30, 2009
2:08 PM

Post #6617533

I haven't had HVX on any of mine yet. I hope it never happens, I guess I'm just lucky. early on I bought some from the box stores. but then I saw what could happen and stopped buying from them and have limited my buying to one catalog nursery. Jim

tcs1366

tcs1366
Itasca,IL&Lk Delton, WI
(Zone 5a)

May 30, 2009
2:35 PM

Post #6617614

Quoting:
which Hosta is this?


I do believe this should be Gold Standard.
I finally posted the image on Hallson's and a few folks said it is indeed infected.
City_Sylvia
Dallas, TX

May 31, 2009
5:06 AM

Post #6620693

Oh yes ... for sure Tee! I am glad its not in your yard.
Jim thats a really good Idea, buy all your stuff from one nursery! I use the same cuation with my growers. I dont use but three and one of them do all the TCs around, so I find them above reproach.If something special come up that I cant live without, I would go to Jim's in Dubuque, if he dont have it ... nobody does.
ic_conifers
Iowa City, IA
(Zone 5a)

May 31, 2009
1:49 PM

Post #6621451

I can't buy all my stuff from one nursery, I like too many different things : ) There really is no one nursery that has all the hostas that I have in my yard. There are hosta breeders within two hours of my house that have 4,000+ cultivars, but they don't have in-stock everything that I want.
hostajim1
Port Orchard, WA
(Zone 8a)

May 31, 2009
5:31 PM

Post #6622276

ic_conifers, I'm wondering how many really would pass the 10 foot rule? I try to stick to that. there are soo many look alikes that are registered now days. I even find it hard to cull out simular ones of my hybrids. I keep saying, well, maybe I should give it another year. then another. I have over 20 Skylight X Empress Wu crosses. only 3 are impressive. I hope I don't have that problem if I ever have a plant with HVX. a very good friend of mine had a gold standard with the virus, and wouldn't dig it up. I told her that if she got rid of it, I would give her a new one. so she did, Jim

ViolaAnn

ViolaAnn
Ottawa, ON
(Zone 5a)

May 31, 2009
6:44 PM

Post #6622532

Ahem! We need to keep this particular thread mostly for pictures of plants to have confirmed HVX. Too much other chatter and it won't be as useful.
sanannie
White Lake, ON
(Zone 4b)

June 13, 2009
5:55 PM

Post #6682605

It was rather cold and wet when the hostas were emerging this year; one week in particular we had close to 5" of rain, which I think contributed to some of them looking a bit distorted.

Anyway, I tested five hostas this spring with the Agdia strips. Two hostas tested positive for HVX, Blue Umbrellas and Earth Angel. The nursery where I purchased Earth Angel just last year took took the situation very seriously. The owner even asked me to bring her some test strips to test a few, which we did. Samples from both her suppliers (reputable tissue culture labs) checked out clean. We narrowed it down to possible cross contamination in her greenhouse, so she is ordering lots of strips and going to do batch testing on her stock.

Here is 'Earth Angel' showing the the collapsed tissue.

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sanannie
White Lake, ON
(Zone 4b)

June 13, 2009
6:00 PM

Post #6682621

The collapsed tissue stands out even more on Blue Umbrellas:

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ic_conifers
Iowa City, IA
(Zone 5a)

June 14, 2009
6:05 PM

Post #6686485

Sorry for the chatter Ann : )

Sandy, do all of the leaves look like that on your Earth Angel and Blue Umbrellas, or just a few?

Thanks,
Elizabeth
sanannie
White Lake, ON
(Zone 4b)

June 15, 2009
1:33 AM

Post #6687925

Elizabeth, No, only one or two leaves ...

Here's the whole plant of 'Earth Angel'

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sanannie
White Lake, ON
(Zone 4b)

June 15, 2009
1:37 AM

Post #6687942

... and 'Blue Umbrellas'

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Noreaster
Maine
United States
(Zone 5b)

June 15, 2009
1:43 AM

Post #6687963

Sandy, was Blue Umbrellas new last year, too? I'm trying to get a sense of how soon, on average, a plant will exhibit symptoms assuming it is infected when you bought it. So far I've had two cases that showed signs at the start of their third season in my garden. Really sorry about your latest ones.
sanannie
White Lake, ON
(Zone 4b)

June 15, 2009
2:06 AM

Post #6688049

Thanks Noreaster. I bought 'Blue Umbrellas' from her in '06. She said her original stock came from the Dutch (field-grown), pre-HVX awareness.

Sandy
hostajim1
Port Orchard, WA
(Zone 8a)

June 15, 2009
5:09 PM

Post #6690786

Sandy, are you sure those plants in the pics have HVX? I don't see the same blotchiness as the other pics show. yours are just mishapen leaves. but I'm just an observer not an expert. Jim

ViolaAnn

ViolaAnn
Ottawa, ON
(Zone 5a)

June 15, 2009
5:51 PM

Post #6690972

Jim - Sandy tested them with the Agdia strips. I saw the plants as well. They are infected.
Ann
Noreaster
Maine
United States
(Zone 5b)

June 15, 2009
6:01 PM

Post #6691033

If you look at her first two pics, you can see the areas of collapsed tissue. With both my cases of HVX on Halcyon and Wolverine, they had the collapsed tissue, but none of the trademark blotchiness or ink bleed effect.

ViolaAnn

ViolaAnn
Ottawa, ON
(Zone 5a)

June 15, 2009
7:16 PM

Post #6691427

Whereas my Gypgy Rose http://davesgarden.com/community/forums/p.php?pid=3762764 and Mountain Snow (above in this thread) had no collapsed tissue at all. And my Lakeside Looking Glass last year mostly just looked really sick http://davesgarden.com/community/forums/p.php?pid=5123796

Interesting that two of the plants above were purchased in 2006 as were some of Sandy's. That might have been the peak of getting infected plants from reliable nurseries.
Noreaster
Maine
United States
(Zone 5b)

June 15, 2009
7:22 PM

Post #6691448

I think Chris at Hallson's mentioned in one of his posts on the HVX part of his forum that a plant had to be infected for quite a while to display the collapsed tissue...so maybe it is an advanced symptom and the ink bleed earlier? I imagine different cultivars just display the virus differently, as well.

I remember your Looking Glass, Ann...that sure was a weird looking case of it.

I'll see if I can find that post on Hallsons..maybe I remembered it wrong.

This message was edited Jun 15, 2009 2:25 PM
hostajim1
Port Orchard, WA
(Zone 8a)

June 16, 2009
4:05 AM

Post #6693843

Sandy, Viola Ann, Noreaster, thanks for the explanation, now I'll know what to look for, other than the colors blotching, Jim

ViolaAnn

ViolaAnn
Ottawa, ON
(Zone 5a)

June 17, 2009
5:35 PM

Post #6701163

bump

ViolaAnn

ViolaAnn
Ottawa, ON
(Zone 5a)

July 20, 2009
1:52 AM

Post #6839742

bump again
ptilda
Spooner, WI

August 30, 2009
12:17 AM

Post #7002808

Gold Standard after growing this way for about 4 years (taken last year).

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ptilda
Spooner, WI

August 30, 2009
12:17 AM

Post #7002809

And this year, before being destroyed...

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weeding

weeding
Peachtree City, GA
(Zone 8a)

September 1, 2009
8:03 PM

Post #7013866

Hosta Mildred Seavers with HVX

This message was edited Sep 2, 2009 12:33 PM

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franknjim
Peoria, IL
(Zone 5a)

September 11, 2009
2:12 AM

Post #7049780

Not my plant but photo taken from a brochure from Iowa State University entitled Hosta Diseases and Pests. You can read it here. http://www.extension.iastate.edu/Publications/SUL14.pdf

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ViolaAnn

ViolaAnn
Ottawa, ON
(Zone 5a)

June 6, 2010
5:11 AM

Post #7863131

it's time this thread was bumped up to be current.

gardenlady123

gardenlady123
Plainwell, MI
(Zone 5b)

June 8, 2010
4:04 AM

Post #7868966

This is my choo-choo train what do you think?

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gardenlady123

gardenlady123
Plainwell, MI
(Zone 5b)

June 8, 2010
4:06 AM

Post #7868969

Regal Splendor... not a very good photo..

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ViolaAnn

ViolaAnn
Ottawa, ON
(Zone 5a)

June 8, 2010
4:25 AM

Post #7868997

gardenlady123 - this is a thread for pictures of plants that are CONFIRMED to have HVX. The Choo-Choo Train certainly looks suspicious, but it would be best to have it confirmed elsewhere.

gardenlady123

gardenlady123
Plainwell, MI
(Zone 5b)

June 8, 2010
3:40 PM

Post #7870653

Sorry I forgot. I am upset about how it looks. Will post elsewhere. Thanks.
plant_it
Valparaiso, IN

May 4, 2012
10:48 AM

Post #9110245

General question about Hosta Virus X: Does it spread to other plants beyond hostas?

In other words, if your hostas become infected does it also have a negative effect on the plants around it or is it at least contained to the hostas?

franknjim
Peoria, IL
(Zone 5a)

May 4, 2012
10:59 AM

Post #9110253

HVX only infects hosta.

ViolaAnn

ViolaAnn
Ottawa, ON
(Zone 5a)

July 10, 2012
12:38 PM

Post #9200534

Not sure what this hosta it - it's in the garden at St. Andrew's Presbyterian Church in Ottawa, ON. There was an infected plant near it a couple of years ago. So, while I was waiting in line for a concert a couple of days ago, I took a look. And I took a leaf home and tested it, since I have some test strips and had never actually tested a known positive before. It's a medium-large mound of chartreuse foliage.

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kooger

kooger
Oostburg, WI
(Zone 5b)

July 12, 2012
2:01 PM

Post #9202962

Ann, can you explain what the test strip is 'saying'? the dark green area, the light green area, etc. I've not seen those test strips before.

ViolaAnn

ViolaAnn
Ottawa, ON
(Zone 5a)

July 12, 2012
7:44 PM

Post #9203389

The only important things on the test strip are the two red lines. The one on the right is a test line. If it's not there, the test cannot be called valid. The one on the left is the indication of positive for HVX. If no HVX, you'll only get the test line.

kooger

kooger
Oostburg, WI
(Zone 5b)

August 1, 2012
2:23 PM

Post #9226245

Thanks for 'splainin'. :)

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