Please Help Grapevine

**Scarlet** · 09-07-2014, 08:16 PM

I've got a grape vine growing outside and I've never had a problem with it so I haven't really got any good advice on how to get rid of it, sorry. I don't think there is much more than you've already done - perhaps someone with a little more knowledge will be along soon.
Although, I would be incline to find my receipt, head back to the garden centre ask for some expert advice there or have some thoughts of taking it back. I think a young grape with problems now will never flourish

**Pineberry** · 09-07-2014, 09:12 PM

if it is powdery mildew, try spraying with milk ( you can dilute 50/50 with water but since its only one plant to spray you can afford neat milk. It does help and is used now in commercial farming against powdery mildew if you want to google it.

**Mattchewone** · 09-07-2014, 09:27 PM

Ok thanks for the advice.

I think I'll cut away badly affected grapes and leaves and spray a milk/water mix and see if that helps.

I will pop into the garden centre at the weekend and speak to them, as I'm sure it must of had it when I purchased it unless it had been picked up In the air in the garden.

Do you think it will affect next year? How would I go about spraying/preventing further next year? Would I start once leaves form?

Thanks

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**Scarlet** · 10-07-2014, 08:34 AM

It overwinters in the buds and starts spreading again in the spring. I'd be tempted to take it back.

http://rhs.org.uk/Advice/Profile?pID=569&cID=292

**FB.** · 10-07-2014, 11:16 AM

Originally posted by Scarlet View Post

It overwinters in the buds and starts spreading again in the spring. I'd be tempted to take it back.

Grapevine diseases/RHS Gardening

It's probably a commercial variety that doesn't have natural disease resistance. The problem is likely to return. Even if the plant is cleared of mildew it could be blown-in on the wind from someone else's grape vine in the future.
Mildew can be a serious problem for all kinds of fruits, although the types of mildew that attack one type of fruit often don't attack others.

I expect the place where it was purchased will say: 'but you're expected to use a full spray routine'.

The moral of the story is either spray, or buy varieties with resistance to the diseases most likely in your area.

**Scarlet** · 10-07-2014, 11:19 AM

That's interesting FB. My grape vine is about 15years old, I've never had a problem with mildew. Must be lucky on the variety but I've forgotten what it is!

**Mattchewone** · 10-07-2014, 11:32 AM

What variety would you recommend and when would you recommend planting? Is it better during dormant?

I will go back and query the issues I'm having.

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**FB.** · 10-07-2014, 06:55 PM

The time of planting won't affect its susceptibility to disease. It's a case of some varieties having resistance to certain diseases and some varieties not having resistance.

Sometimes disease susceptibility varies with location, due to:

1. presence or absence of the disease in your area, and, if present, which strains of the disease (some varieties of plant have resistance to some strains of disease but not others).

2. climate in your area being favourable or hostile for certain diseases or the plant itself (temperature, rainfall).

3. soil type being suited to the plant (some plants like acid soil, some like alkaline soil, some like neutral soil; some like fertile soil, some like low-nutrient soil).

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