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Lexicon

The largest wine encyclopedia in the world with 26,673 Terms.

0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

BXD

Name (Black Xylem Decline) for Petri disease; see there.

Petri disease

This dangerous vine disease is named after the Italian plant pathologist Lionello Petri (1875-1946), who first described it in 1912. The name was coined by the US ampelographer Lucie Morton Garrett. It was observed on a larger scale in South Africa from the 1950s onwards. It is also known as Black Goo Disease, Black Xylem Decline (BXD) and Young Vine Decline (YVD). It appeared in newly planted vineyards in California in the early 1980s. Subsequently, there were also infestations in Australia, New Zealand and some European countries.

Petri disease is often described as identical to or a precursor of Esca (Young Esca). Although both diseases are caused by the same or similar types of fungi and have some common symptoms, they differ in terms of the severity and age group of vines affected.

Cause

Petri disease is mainly caused by the fungus Phaeomoniella chlamydospora (as in Esca). However, the species Phaeoacremonium aleophilum and fungi of the genus Cylindrocarpon also play a role. Transmission can occur through...
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This page was last modified at 11 May, 2024 at 08:55.

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The world's largest Lexicon of wine terms.

26,673 Keywords · 47,061 Synonyms · 5,312 Translations · 32,004 Pronunciations · 240,750 Cross-references
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