Topping Grape Vines
Is topping grape vines desirable?
Topping of vines is in all cases more or less weakening. The more
foliage that is removed, the more weakening it is. Vines, therefore,
which are making a weak growth from any cause whatever can only be
injured by topping. If the vines are exceptionally vigorous, the
weakening due to topping may be an advantage by making them more
fruitful. The topping, however, must be done with discretion. Early
topping in May is much more effective and less weakening than later
topping in June. Very early topping before blossoming helps the setting
of the blossoms. Topping in general increases the size of the berries.
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