2016 Volume 2016 Issue 121 Pages 1-8
A new cultivar ‘Yumesuruga’ for green tea was developed from seedlings derived from the cross of ‘Okuhikari’ × ‘Yabukita’ at the Shizuoka Tea Experiment Station in 1986. The clone was selected by individual selection in 1993. It was evaluated for local adaptability and for a specific characteristics from 2002 to 2008. It was named ‘Yumesuruga’ and registered by The Plant Variety Protection System in 2012. And it was adopted as a recommended cultivar of Shizuoka prefecture in 2014.
The budding time of ‘Yumesuruga’ is slightly later than that of ‘Yabukita’. The shape of plant is medium type and the vigor of plant is very strong. It is middle resistant to cold damage in midwinter. And it is weak resistant to tea anthracnose (Colletotrichum theae-sinensis (Miyake) Yamamoto) and fairly resistant to tea gray blight (Pestalotiopsis longiseta (Spegazzini) Dai & Kobayashi), tea brown blight (Glomerella cingulata (Stoneman) Spaulding & Schrenk ) and middle resistant to tea bacterial shoot blight (Pseudomonas syringae pv . theae (Hori 1945) Young, Dye & Wilkie 1978). The yield of new leaves of this cultivar is higher than that of ‘Yabukita’.
The quality of the unrefined tea of ‘Yumesuruga’ is very good, especially for the color of made tea and liquor are fresh green with bright color. And the taste is mild.
‘Yumesuruga’ adapts itself to any tea cultivated region in Shizuoka prefecture. And it is cost effective for the tea factory management to combine several cultivars which have different harvesting time.
