Effects of Twice Skiffings after Plucking of 1st or 2nd Crops on Shoot Growth and Quality of Next Crops of Tea Plants

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  • 一, 二番茶摘採後の2回整枝が二, 三番茶の新芽生育と品質に及ぼす影響
  • 1,2番茶摘採後の2回整枝が2,3番茶の新芽生育と品質に及ぼす影響
  • 1 2バン チャツミトリゴ ノ 2カイ セイシ ガ 2 3バンチャ ノ シンメ

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Effects of twice skiffings after plucking of 1st and 2nd crop on shoot growth and quality of the following crops were investigated.<BR>1) The earlier the 1st skiffing after plucking of 1st or 2nd crop was than usual, the earlier the times of next crop's bud opening and optimum plucking were.<BR>2) The yield of next crop was sometimesreduced by 2nd skiffing, but rates of overmeature leaves and hard stems, sucker shoots in plucked shoots were reduced.<BR>3) The earlier the time of optimum plucking was, the better not only the appearance but also the quality of liquor of made tea was. The quality of liquor of the best crude tea by twice skiffings was better than those of the once skiffing which were sifted by a sieve of No.7 (screen's aperture is at one-seventh of about 3cms spaces) or an optical tea stalk separator.<BR>4) From the results of these experiments, it was considered that not only the balances of length or maturity of shoots but also the quality of liquor were improved by 1st skiffing, which was done earlier than usual.<BR>5) To improve qualities of 2nd or 3rd crop of crude tea, appropriate times of twice skiffings were concluded as follows. For the second crop, the 1st skiffing was between 2 and 5 days after plucking of 1st crop, and the 2nd skiffing was between 17 and 22 days after plucking. For the 3rd crop, the 1st skiffing was between 2 and 5 days after plucking of 2nd crop, and the 2nd was about 16 days after that.

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