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Thread: Grapes drying up

  1. #1
    Linden is offline Germinator
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    Default Grapes drying up

    Hi, is anyone having problems with grapes drying up, my vines in my garden where they get watered slightly are fine but most up the allotment where there is no water have thinned themselves out, a few to the extent where the bunches have completely disintegrated. I know it’s been very hot lately but vineyards in Italy are hotter and I’m sure they are not watered

  2. #2
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    Jay-ell is offline Welcome To The Jungle
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    I haven't a clue but my first thoughts would include
    Age -
    how old of the vines? Some of the established vines in Italy are older than some of the members of the vine and would have a deep root system.
    Variety -
    different varieties have been bred to cope with different conditions. I guess if its a European, American or Euro/American hybrid would also have an impact
    Rootstock -
    if it's a grafted vine hen the rootstock sold to home gardeners might be a less vigorous variety and therefore not have such an extensive root system
    Soil -
    are you on clay or sand? Sand drains quickly and heats up more, where as clay keeps water and stays cooler. Acid or Alkaline - as the water levels drop the pH might change.
    Precipitation and moisture -
    it might be hotter but how much moisture do they get? Does it rain in the summer? Are there morning mists which will condense out? Is there dew in the morning?
    Planting -
    rather than growing so that they get the full sun all day, are they angles to give each other some shade at the hotter times of the day?

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  3. #3
    nickdub is online now Early Fruiter
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    Default

    depends on the age and size of the vine mostly - if its a big old one and the roots go down a long way, then it will be fine - younger ones need water - I'm watering a couple which have been in the ground for about a year.

  4. #4
    Ocelot is offline Sprouter
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    I'm watering mine every day, when I do the pots, although it is about 12 years old. The grapes were quite slow to get going this year, but seem to be normal size now, and there are loads of them. They came on when I started watering.

    Might be best to give it a soak if you can.

  5. #5
    bikermike is offline Tuber
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    are you covering the soil?

    I think lots of vineyards in southern france cover the exposed soil with stones to limit losses

  6. #6
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    why not water them everyother day for a week or so to see if they pick up ? im not an expert at grapevines but never watering them seems abit strange to me tbh ,cheers gl
    The Dude abides.

  7. #7
    Linden is offline Germinator
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    These are wine grapes(dornfelder,rondo & Bacchus). I planted 100 of them 3 years ago, this year is really their first crop. Perhaps I should have been watering them maybe once a week from flowering to mid berry size. The problem is there is no water onsite, I only have 6 barrels which I have to try to keep topped up. Oh well time to ask a neighbouring garden to borrow their hose pipe!! In exchange for a bottle of wine next year

  8. #8
    Deltawhiskey is offline Sprouter
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    Hi Linden,
    By this time the roots should be far enough down that they should be reaching moisture. They should also be far enough from the surface that apart from hours of soaking the water will not reach them. In sandy/gravel soil the roots can go down 4 metres. I have my vines in their second year on clay soil in the south and have no problems. You didn’t say what your soil type is. I do have weed control fabric as a mulch which may have helped. Like the rest of us pray for some good rain.

    David

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