Hatsu-midori

Hatsu-midori. (C. sinensis). Registered in 1954. Selected from the seedlings of original Japanese tea introduced from Mie Prefecture. Use for Japanese green tea. Kagoshima Pref.

[Agriculture registration] Tea Norin 20

[Product registration] None

[Characteristics] The color of the first tea leaves is slightly yellowish. Triploid (2n=45).

[Developer] Kagoshima Prefectural Tea Experiment Station (Currently Kagoshima Prefectural Agricultural Development Center Tea Industry Department)

[History] In 1933, the Kagoshima Tea Research Station ordered seeds from Mie Prefecture and selected from the seedling group that was raised. It was tested in the original tree determination test under the strain name of Rokuryobara No. 5 and was found to be excellent. In 1954, it was registered as Tea Norin 20 and was named'Hatsumidori'.

[Early] Early life. The germination period is about 7 days earlier than'Yabukita' and the plucking period is 3-5 days earlier.

[Morphological characteristics] The tree is slightly upright. The vigor is strong and the stocking is a little good. The number of buds is a little high and the weight of one hundred buds is a little large. In warm winter years, the tea leaves are the most yellowish green, and the green is difficult to spread.

[Rooting of cuttings] A little inferior to'Yabukita'.

[Goodness of initial growth] Slightly inferior to'Yabukita'.

[Tailoring method for young trees] According to'Yabukita*'.

[Yield] Yield is slightly less than'Yabukita', slightly high yield to moderate.

[Quality] The quality of green tea is medium. Ichizawa is the most brown and has a slightly yellowish tint. The inside quality is moderately light yellow with no characteristic fragrance and nourishment.

[Cold resistance] Cold resistance in winter is moderately strong, and it is suitable for laceration type frost damage.

[Insect resistance] It is moderate in anthrax disease and strong in ring spot disease. Slightly weak for the scale bug.

[Suitable for cultivation] Warm and warm areas where there is no late frost damage.

[Processing characteristics] Slightly yellowish color remains on the tips of new shoots, and slightly yellowish color appears in Akizawa.

初緑(Hatsu-midori)     はつみどり    旧系統名：鹿緑原５号。公表日：1954。 煎茶用・1954年登録・農林認定品種（茶農林20号）。三重県から導入した実生。

【農林登録】茶農林20号

【品種登録】なし

【特徴】一番茶の葉色はやや黄色みを帯びるが.再生力の強い早生種。三倍体(2n=45)。

【育成者】鹿児島県茶業試験場(現鹿児島県農業開発総合センター茶業部）

【来歴】1933年に鹿児島県茶業試験場が三重県より種子を取り寄せ，育成した実生群中から選抜した。鹿緑原5号の系統名で原樹決定試験に供試され，優秀性が認められた。1954年に茶農林20号に登録，‘はつみどり’と命名された。

【早晩性】早生。萌芽期は‘やぶきた’よりも7日程度早ぐ, 摘採期は3〜5日程度早い。

【形態的特性】樹姿はやや直立型。樹勢は強で株張りはやや大〇摘採期の茶芽の揃いは良い。芽数はやや多ぐ百芽重はやや大である。暖冬の年は一番茶の葉先が黄緑となり緑がのりにくい。

【挿し木発根性】‘やぶきた’よりやや劣る。

【初期生育の良否】‘やぶきた’よりやや劣る。

【幼木の仕立て法】‘やぶきた*に準ずる。

【収量性】収量は‘やぶきた’よりもやや少なぐやや多収〜中程度。

【品質】煎茶品質は中。一番茶で色沢がやや黄色みを帯びる。内質は水色がやや黄色で香気，滋味は特徴がなく，中程度である。

【耐寒性】冬期の耐寒性はやや強，裂傷型凍害に中。

【耐病虫性】炭疽病に中，輪斑病に強である。クワシロカイガラムシにはやや弱。

【栽培適地】暖地•温暖地で晩霜害のなぃ所。

【加工特性】新芽葉先にやや黄色みが残り，色沢もやや黄みを带びる。