Term for sexual reproduction in plants, as well as in vines. It takes place during flowering through fertilisation and the subsequent sowing and rearing of grape seeds. Due to the heterozygous nature of the grapevine, the offspring always differ from the original vine.
In contrast to vegetative propagation (asexual), which produces genetically identical offspring, generative propagation, which is common in nature, always results in genetically different individuals. This fact is utilised when breeding new grape varieties. However, if you want genetically identical offspring (clones) for the purpose of creating a new vineyard, vegetative propagation is the only option.
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Roman Horvath MW
Domäne Wachau (Wachau)