Every bottle of German quality wine, whether QBA or QMP, has the AP Number (or ‘Amtliche Prüfungsnummer’ in German). This 10-to-12-digit number indicates that the wine has passed the famous Germany’s official testing procedure, which includes submitting wine samples for analysis and a blind tasting test…
Aphids are small insects of the Aphidiodae family that feed by sucking the juices from plants…
Aoûtement is a French term used to designate the ‘Cane Ripening’ (where the canes lignify) that can happen in the month of August (‘Août’ in French) in the Northern Hemisphere…
Anthracnose is a fungal disease of European origin that attacks vines. It is also known as black spot or bird’s eye rot…
The ‘anther’ of a vine is the pollen-bearing section of the Stamen of a vine flower. Each of the grape’s five anthers has sacs in which a large number of pollen mother cells mature into pollen grains about two to three weeks before flowering. Then, pollen grains are expelled, possibly before the Calyptra or flower caps have fallen…
The term Anbaugebiet is used to designate one of the 13 wine regions in Germany. These areas are critical to German wine labeling and German wine laws…
Vitis Amurensis is a grape variety species of the genus Vitis, named after the Amur Valley in Northern China. Its origin in a very cold climate makes it valuable to vine breeders looking to introduce cold tolerance genes…
Amontillado is a Spanish word that originally described sherry in the Montilla style. Today, it has two connotations in the sherry-making process…
Wine amelioration is a euphemism for artificial intervention in winemaking to compensate for nature’s shortcomings…
Amino acids are the fundamental building components of proteins, which are required by all living systems. Twenty amino acids are important in the formation of thousands of proteins in living materials. Enzymes are proteins that function as catalysts for particular biological reactions…
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