Are PIWI grapes a Genetic Modified Organism (GMO)?

A few days ago after posting a few posts about PIWI grapes, a discussion began on LinkedIn whether or not PIWI grapes are considered a genetic modified organism or simply GMO. The controversy is important and pertinent because in some countries like Italy it is forbidden the cultivation of GMOs. I soon went to studyContinue reading “Are PIWI grapes a Genetic Modified Organism (GMO)?”

Have you heard about PIWI?

First of all, according to PIWI International, PIWI is a German acronym for Pilzwiderstandsfähige Rebsorten and stands for fungus resistant grape varieties. These were created by crossing European grape varieties and American fungus resistant varietals.  Most of them still are known as hybrids or interspecific varietals and were first used in France from 1880 to 1935.Continue reading “Have you heard about PIWI?”