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Your Dahlias: do you have a VIRUS?

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Moorfield Farm Flowers

Moorfield Farm Flowers

Күн бұрын

How to spot a virus infection in your dahlias, and what to do about it. Virus disease in dahlias is common, and usually serious. Here is how to recognise virus infections in your dahlia stock and what measures you can take if you suspect it.
Part of our series on Dahlia growing.
Tuber clump starting • How to prepare Dahlia ...
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Single tuber starting • Starting Dahlias. All ...
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Пікірлер: 28
@jacquis-j9606
@jacquis-j9606 Жыл бұрын
Thank you. Will check my dahlias too.
@MoorfieldFarmFlowers
@MoorfieldFarmFlowers Жыл бұрын
Thanks for commenting Jacqui.
@kenholt6244
@kenholt6244 Жыл бұрын
Many thanks for your advice, I have never seen this virus before. Regards Ken
@MoorfieldFarmFlowers
@MoorfieldFarmFlowers Жыл бұрын
Thanks again Ken. Yes the appearance now has become less specific, but earlier on the pattern included mosaics and chlorotic spots more typical of a virus.
@owenp65
@owenp65 Жыл бұрын
A brilliant and informative episode clearly explained. I've learnt now to 'quarantine' my newly bought plants in the first year in a separate bed. It is so common as you say unfortunately.
@MoorfieldFarmFlowers
@MoorfieldFarmFlowers Жыл бұрын
Thanks Owen, yes that's good advice as newly bought stock can bring in a virus.
@adriennechamberlain4868
@adriennechamberlain4868 Жыл бұрын
Thank you. We are supposed to get a frost here in New York and I’m going to check my plants for virus before the leaves turn brown! That is sad. WEJ is a really difficult variety to get ahold of here! It seems like it isn’t hard to find imported but when I try to order from a grower it is sold out before I can check out (a matter of minutes). Thank you for sharing this! I already reordered them for next year, but my Painted Desert and Pam Howden look like this. I will use more caution thanks to you! ❤️
@MoorfieldFarmFlowers
@MoorfieldFarmFlowers Жыл бұрын
Thanks Adrienne, I can see you are a keen dahlia grower. WEJ tubers seem easy to get hold oh here in the UK, but I am not sure yet if I will risk growing them again. The virus seemed specific to this variety so fingers crossed no more plants will be affected. Frost not due this week here, but can't be far away! Kind regards, Peter
@TheAndreawixson
@TheAndreawixson 10 ай бұрын
Thank you for sharing the information. I’m curious, you mentioned you left the diseased plants for about a month so you could watch the “for science”. Were you not concerned of insects spreading the disease to healthy plants?
@MoorfieldFarmFlowers
@MoorfieldFarmFlowers 10 ай бұрын
Hi Andrea, thanks for your question. Well yes, it is a worry but my experience is that viruses tend to limit themselves to a single variety, so the worst outcome is a loss of all plants of that variety, numbers were small otherwise yes I would have taken much speedier action. I hope yours are and remain virus free.
@stevenbuckley1416
@stevenbuckley1416 Жыл бұрын
When you have removed the virus plant and tuber from the ground do you treat the ground it was in, or remove the soil in that area as well
@MoorfieldFarmFlowers
@MoorfieldFarmFlowers Жыл бұрын
Hi Steven thanks for your question (I noticed you posted the same question against two videos so I will post the same answer in both.) It is not usual to change to soil after removing a plant with a virus, but you not place the same variety back into that soil. Dahlia viruses tend to be limited to one variety only (although it's not impossible to spread to others) . If it affects one plant only, then remove that plant immediately and burn or dispose and sterilize all instruments used. Carefully monitor nearby plants for the remainder of the season for similar symptoms and be ready to act quickly. Viruses are incurable but can be managed in this way to limit their damage. Hope this helps
@yesidtac7863
@yesidtac7863 Жыл бұрын
Gran video
@MoorfieldFarmFlowers
@MoorfieldFarmFlowers Жыл бұрын
Thanks Yesid
@k.weinberger2421
@k.weinberger2421 Жыл бұрын
I’m growing dahlias in containers. Do I need to throw out the soil that the contaminated plant was in?
@MoorfieldFarmFlowers
@MoorfieldFarmFlowers Жыл бұрын
Hi Thanks for your question. Most growers would advise that, yes. I hope things work out for you.
@Speakupok
@Speakupok Жыл бұрын
My problem is the earwigs eating and laying their eggs on my Dahlias.
@MoorfieldFarmFlowers
@MoorfieldFarmFlowers Жыл бұрын
Hi Maria thanks for commenting, I sympathize with you they can make a horrible mess of petals. The only method of control I would use is the upside down plant pot and straw on poles to reduce numbers.
@valkyreve
@valkyreve Жыл бұрын
Mine are nice and big and green but they have deformed leaves. I wasn't sure if it's a nutrient problem or virus? I think judging from your detailed video it may be a nutrient issue though. Thank you :)
@MoorfieldFarmFlowers
@MoorfieldFarmFlowers Жыл бұрын
Hi Valkyreve, thanks for your comment. Deformed leaves can be due to many causes so you should look for other signs such as leaf colour change or signs of infestation. I would say nutrient deficiency is low down on the list of possibilities from experience.
@valkyreve
@valkyreve Жыл бұрын
@@MoorfieldFarmFlowers Oh.. now I'm scared again :p They seem green enough, no yellowing and apart from grasshoppers and cabbage moth caterpillar thingies, no other bugs.
@MoorfieldFarmFlowers
@MoorfieldFarmFlowers Жыл бұрын
I wish I could help more. other options are: water deprivation, physical damage (heat or cold) and herbicide contamination.
@valkyreve
@valkyreve Жыл бұрын
@@MoorfieldFarmFlowers Thanks so much for replying with your advice. Much appreciated :)
@MoorfieldFarmFlowers
@MoorfieldFarmFlowers Жыл бұрын
You're welcome :)
@danihu03
@danihu03 Ай бұрын
Can you replant dahlias in the same spot?
@MoorfieldFarmFlowers
@MoorfieldFarmFlowers Ай бұрын
Hi thanks for your question. We replant in the same beds each year, although we rotate the varieties in any one spot. In instances of disease such as Virus or Gall, it is normal practice to avoid using the same spot, or attempt to replace the soil. Hope you have a great season.
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