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Table 6 Presence of gm yeast (GMY1, GMY2) after dissemination in a vineyard in the year of release, and 1 and 2 years after release. Twenty “Riesling” rootstocks inside an S1 greenhouse were treated with gm yeasts as indicted. Detection of gm yeast strains (and amounts) are indicated

From: Genetically modified wine yeasts and risk assessment studies covering different steps within the wine making process

Treatment

1st year

2nd year

3rd year

Release of GMY1, GMY2

No release

No release

P1 control

No gm yeasts detected

No gm yeasts detected

No gm yeasts detected

P2 GMY1, GMY2

GMY1, GMY2 (88%, 12%)

GMY2 (8.5%)

No gm yeasts detected

P3 S.c. VIN13

No gm yeasts detected

No gm yeasts detected

No gm yeasts detected

P4 GMY1

GMY1 (83%)

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GMY2 (3%)

  1. a1.5 l with 2 × 106 yeast cells/ml was released