Cymbidium mosaic virus in dend. Anosmum

[Wfuavenger]

I am hoping I am having bad luck here, but I have tried 5 different suppliers and 5 different dendrobium anosmum plants and all 5 have had CymMV! I have had to throw them out and deal with trying to get a refund....


I really like them, but I cannot risk the rest of my collection with infection over one plant. I have done research and can't find much about the infective rate.

Are all of them infected in the trade or am I having bad luck?

[WhiteRabbit]

Wow that's brutal! I hope others will be chiming in with their experience.

[Cym Ladye]

Originally Posted by Wfuavenger

I am hoping I am having bad luck here, but I have tried 5 different suppliers and 5 different dendrobium anosmum plants and all 5 have had CymMV! I have had to throw them out and deal with trying to get a refund....

How are you testing them?

[Wfuavenger]

I have used the immuno test strips and sent some to be tested to a lab

[RJSquirrel]

there is a lot number on the test strips. if you bought them from agdia, some lot #s are giving false positive results for cym virus. my 1st thought is if all 5 of the plants you are testing are with the same lot of strips I would suspect the strips more than 5 plants from different suppliers. if the lab tested plant comes back negative, you can relax. if it comes back positive, depending on how long you harbored your plants not quarantined before you tested them.the problem could be closer to home.

ill test my anosmum as I havent ever tested that one and let you know how it turns out. I havent found any virus yet and ive gone thru about 50 strips. I spent the money now dammit i wanna find a virus

[Wfuavenger]

I would like to state that I have a biochemist background and cross contamination is not an issue.

I already know about the agdia batch and have gotten the newer ones that they have just released.

4 of the orchids were well before the bad batch of strips, and the newest ones were in quarantine and started exhibiting symptoms all of the others did in the past. So I tested before I normally do and they were positive.

Indicative symptoms in this species are leaves turning yellow with raised green circular patches remaining almost until the leaf drops. I didn't have time to take a picture, but I will try tomorrow.

[Wfuavenger]

Above is a picture... Please note the raised green "freckles"

Every one of them has expressed this trait.

[RJSquirrel]

I tested mine and its clean. I got it from kalapana tropicals in bud this year if you want to get a clean one. They are well grown healthy plants.

this is the cane thats been growing all summer long from a tiny little nub



I hope you get a good plant these are some of the easiest to grow and care for dendrobiums.

And good luck to you

[Wfuavenger]

Thanks. I actually just ordered a bunch of different orchids from them.

[Wfuavenger]

And FAIL! I ordered 2 anosmum plants from them. Just got them today. They are from seed propagation. I had one test strip left and tested one of them, and its positive for CymMV! I have more test strips coming and Agdia offered a research permit to me to do further testing to see if the plant is giving a false positive due to a protein or enzyme or something else. Out of 7 plants, 6 suppliers 100% positive is excessive. There has to be other people who have dend anosmum and have tested them.... Why aren't they chiming in?

RJSquirell,

Where did you sample? Did you sample a leaf preparing to drop or a brand new fresh leaf? All of my samples have great healthy looking leaves or started to show the very faintest chloranopsys (green and yellow splotching). See the above pic. They were from the middle of the canes.