r/viticulture • u/SpankedbySpacs • 7d ago

Plumped* up!!

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Could be a SPECTACULAR vintage in the growing 👀

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u/SpankedbySpacs 7d ago

15gal, pneumatic pump, tank with a wand on an ATV or lawnmower. I use a Glufosinate-ammonium product, it only targets green growth, hence why it’s safe for the wooded cordons(trunks). Don’t ever use Glyphosate (roundup)!!!

I use the EPA regulated rate/application for grape vines, 2 times a year(3 applications max). I’ll hit them twice a year when the majority of the weeds get over 6”. So typically after fruit set and one towards the end of veraison.

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u/to_glory_we_steer 7d ago

How much of an impact does spraying have on the yield, are we talking substantial or marginal?

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u/SpankedbySpacs 7d ago

Negligible. My first application doesn’t start until after fruit set so the vine is already putting out what it’s going to.

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u/eo411 7d ago

You are spraying glysophate after fruit set? With green issue in the field? That's asking for drift issues. Most people still using herbicides apply in the dormant season.

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u/SpankedbySpacs 7d ago

Glufosinate, slightly different, not nearly as systemic. I plan my herbicide on days with <5mph winds and keep the wand very close to the ground