Beni-tsukuba

Beni-tsukuba. (C. sinensis).  Selected from Indian tea seedlings in 1958.  Use for Japanese green tea. 

[Agriculture registration] None

[Product registration] None

[Characteristics] A slightly early cultivar for black tea that has strong cold resistance and is selected from Japanese varieties.

[Developer] Makabe District Agricultural Improvement Center, Ibaraki Prefecture

[History] In 1953, Hitoshi Nobushima, an extension officer of Makabe District Agricultural Improvement Center, found a cold-resistant strain in a mansion of Norio Fujita, 865 Uetanikai, Makabe Town, Makabe-gun, Ibaraki Prefecture We confirmed the suitability for black tea under the guidance of Saburo.

[Earlyness] Somewhat early.

[Morphological characteristics] The tree is upright, with medium tree vigor and medium planting. The collection of tea buds during the plucking period is rather good. Medium bud number, medium bud weight. Sprouting is slow to cure.

[Cutting rooting] Somewhat good to good.

[Good or bad initial growth] Slightly slow.

[Putting method for young trees] Since the tree is upright, we will take into consideration the stock tension.

[Yield] Medium. It's less than'Yabukita', and a little less than'Benihomare'.

[Quality] Tea quality is medium. The shape is fine and the light blue color is crimson. The richness is a little rich and the astringency is a little strong. Fermentability is good.

[Cold resistance] Strong cold resistance in winter. The laceration type frost damage is unknown.

[Disease resistance] Unknown.

[Suitable for cultivation] Warm and cool areas.

[Processing characteristics] Unknown.

紅筑波 (Beni-tsukuba) べにつくば。 煎茶用・1958年育成・品種未登録。多田系インド導入種実生。

【農林登録】なし

【品種登録】なし

【特徴】耐寒性が強く日本在来種から選抜されたやや早生の紅茶用品種。

【育成者】茨城県真壁地区農業改良普及所

【来歴】1953年に真壁地区農業改良普及所普及員延島仁が，茨城県真壁郡真壁町上谷貝865番地藤田典夫男の屋敷で耐寒性の強い系統を見つけ，専門技術貝の出村要三郎の指導のもとで紅茶としての適性を確認した。

【早晩性】やや早生。

【形態的特性】樹姿は直立型で，樹勢は中，株張りは中。摘採期の茶芽の揃いはやや良。芽数は中，百芽重は中。新芽の硬化が遅い。

【挿し木発根性】やや良〜良。

【初期生育の良否】やや遅い。

【幼木の仕立て法】樹姿が直立のため株張りに留意した仕立てを行なう。

【収量性】中。‘やぶきた’よりも少なく，‘べにほまれ’と同程度からやや少ない。

【品質】紅茶品質は中。形状は細よれで，水色は鮮紅色。滋味はやや濃厚で渋味がやや強い。発酵性はやや良。

【耐寒性】冬季の耐寒性は強。裂傷型凍害は不明。

【耐病虫性】不明である。

【栽培適地】温暖地，冷涼地。

【加工特性】不明。