Different Types Of Grape Trellis

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There are many different types of grape trellis available to grow grapes. The type
of trellis you use will depend on the grape species, climate and your desired yield.
The trellis is needed to produce high quality grapes and allows for sun exposure
and air circulation. Wild grapes will grow anywhere but the fruit is very poor
quality. In order to receive top dollar for your grapes you will need to produce
high quality fruit and a trellis is needed to ripen fruit completely.

The most widely used trellis system is VSP (vertical shoot position) and if a new
vineyard is going in it will in all likelihood use a VSP trellis. The VSO has the
grapes at the bottom of the canopy and then the shoots grow towards the sky,
vertically. Shoots are held upright by using catch wires that keep the shoots close
to the trellis system. VSP is an excellent choice for machine harvesting and can be
kept tidy using hedging.

There are specific trellises that are used to control vigor. Excessive growth can
be an issue with grapes, as very high crops do not produce quality grapes. Scott
Henry trellis is used on very vigorous vines. Like VSP one half of the vine has
shoots growing vertically. But the fruiting zone is split into two sections with a
nother area of shoots growing towards the ground. It resembles a mirror image of
VSP with shoots growing both up and down.

A lyre system has traditionally been used in the Mediterranean and was developed
for very hot climates. The trellis is shaped just like a lyre with the fruit hanging
underneath the canopy. This allows the fruit to be shaded as it will not have a
problem ripening but you want to avoid sunburn and excess shrivel. Lyre systems
are costly, as they require all work to be done manually.

A trellis system that was devised in upstate NY is the Geneva double curtain.
Geneva double curtain is particularly useful for table grapes and grapes used for
grape juice, mainly Vitis labrusca grapes. This type of trellis is good for these
grapes as it mimics the way the grapes would grow in nature. So the fruiting Geneva
double curtain is a trellis system popular for table and juice grapes. These types
of grape species naturally like to have the fruiting zone high, near the sun, and
then have the shoots hang over towards the ground. Geneva double curtain is a great
example of a trellis system that copies how the grapes would grow in the wild to
obtain the best crop.one is at the highest point and then the shoots are allowed
to fall back down to the ground.

There are many other types of trellis systems and types of trellis systems are
currently being developed for specific purposes. When choosing a trellis system
make sure your grapes will receive enough light and air. You also need to think
about how you plan on harvesting the grapes, as certain trellises systems will not
allow machine harvesting.

Gardening Articles: http://organicgardenarticles.com/

Author: Stan Spencer
Our Free 10-part mini-course will show you step-by-step how to grow your own grapes and make your own delicious wine! winemakingresource.com/Grape-Trellis

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