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What is your crop load like? What type of vinefra variety?

Just ferment the himrod and wait for others to reach peak ripeness... And then if desired you can blend later in the year to get desired taste.

No they will oxidize

I would use a product called oxidate it's a hydrogendioxide mix for plants and grapevines in general. Gloridfied hydrogenperoxide. It is excellent though it is not a Harley treatment and it kills everything and I mean everything it comes into contact with. Itd be a great tool for you because you...

Do you spray

Good call... I come from a more humid area.. we see weird **** like that all the time 90 % of time it's related to bad grafting and the formation of crown gall, or just the formation of a fungus growing on the Wood. You learn a lot of tricks to treat them. If you're really concerned at all you...

Works well unless you have really Rocky soils .. I torn mine up on a rocky patch once.

That's really weird I would think fungus but it needs to be real wet for a duration. Whack it off and see what it's doing to the vine. It may be a bug.

Do you live in a humid climate?

Is it soft tissue or is it kind of spongy?

Crown gall

There really only two variteys in California that are about 100 years old Zinfandel in the Sierra foothills ... Which lead me to my first thought there are many clonal selections of zin and this could be a certain clonal selection. The other variety which was believed to be gamay but turned out...

Zinfandel

Is there a white substance on the back of the leaves?

90% of time unfortunately.. the grapes are harvested from a vineyard that is pushing idk probably 9-10 tons an acre out of the central valley of California. They beat up the farmer on pricing so he's left with trying increase production for piss poor payment. The grapes are good don't get me...

You might be a victim to grape leaf roll disease... Your soil should deffinetly be amended with a simple compost, or you can you use a derived amonium nitrate addition at a low solution. If it is leaf roll virus then it is disrupting the passage way for nutrients to reach the vine and produce...

Yes crush enough to release juice and press immediately...

This is just for Concord though.. real wine grapes typically sit at 23-25 brix.

Concord is definitely not the tall list of wine grapes but it absolutely makes a great white wine ... Crush and destem and then press the juice off right away .. 1/4 tap of potassium metabisulfite let it sit for at least 36 hours... inoculate with lavlin EC 1118 Yeast. Make sure you get a brix...

If you do add commecial yeast .. commercial will over take any other wild strains that may be present