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traditional Pergola system (Tana = frame, frame) in Japan that has existed since at least the 17th century. In the Japanese wine-growing regions there is a high humidity due to frequent rainfalls in the summer. The shoots are led like a roof up to ten meters on all sides on supporting wires. In winter, they are protected with straw mats. The great distance from the soil moisture reduces the risk of fungal diseases, In this form, especially the grape variety Koshu behaved:

Form of education Tanazukuri Picture left: By Sophie Jacquin - Own work , CC BY-SA 3.0 , Link
Picture right: By genta_hgr - Grape , CC BY 2.0 , Link

The picture shows a very old koshu vine of Grace Winery ( Yamanashi on the main island Honshu). He has a trunk circumference of one meter. The widely distributed shoots cover an area of ​​50 square meters. See also complete listings below training system (Systems) and Weingarten Care (Activities).

ancient koshu vine of the Grace Winery (Yamanashi on the main island of Honshu)
© Matthias Neske - Chez Matze

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