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Chromoplasts

See under crossing direction.

When crossing or breeding grape varieties, the parents are usually indicated in the form of "New variety = mother variety x father variety" (see a listing under New breeding). For example, "Müller-Thurgau = Riesling (mother) x Madeleine Royale (father)". This is also called the crossing direction. This is significant because much more cell material is passed on from the mother variety to the embryos in the seed, namely cell nucleus, plastids and mitochondria. From the father variety, on...

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Dominik Trick

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Dominik Trick
Technischer Lehrer, staatl. geprüfter Sommelier, Hotelfachschule Heidelberg

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