Chemical thinning: locut. Thinning takes place in early summer. It consists of removing clusters of green grapes and superfluous foliage. This action has the role of promoting the growth of the vine which is still too young to support an abundant harvest of grapes.
Thinning can be done manually (40 hours on average per ha) or chemically. It then consists in spraying an active ingredient, ethefon, a growth regulator. It breaks down into ethyl ...
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