園芸作物に於けるビタミン B<sub>1</sub> の生理と利用に関する研究(第4報)

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タイトル別名
  • On the physiology and utilization of vitamin B<sub>1</sub> in garden crops. IV
  • 園芸作物に於けるビタミンB1の生理と利用に関する研究-4-
  • エンゲイ サクモツ ニ オケル ビタミン B1 ノ セイリ ト リヨウ ニ カンスル ケンキュウ 4
  • On the physiology and utilization of vitamin B1 in garden crops. IV
  • The effect of foliage thiamin sprays on the thiamin content in sweet potato plants

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抄録

This paper reports the results of the studies on the effect of foliage thiamin sprays on the thiamin content of the sweet potato plants. Five varieties, Norin No. 1, Norin No.2, Norin No.4, Kanto No. 24, and Taihaku, were used. Thiamin was dete-rmined by the thiochrome reaction (Permutit met-hod, NISHIO 1946).<br> The results obtained were as follows.<br> 1. Thiamin in water solution sprayed on the leaves of the sweet potatoes was absorbed by all organs of plants in 24 hours. Moreover, thiamin absorbed by the plants was accumulated in the parts of high activity.<br> 2. Greater parts of the thiamin absorbed by the leaves of the sweet potatoes were of free form immediately after absorption, but some parts of them were transformed to combined form as time elapsed.<br> 3. Thiamin was absorbed more easily through the lower surface than through the upper surface in the sweet potato leaves.

収録刊行物

  • 園芸学会雑誌

    園芸学会雑誌 24 (1), 51-55, 1955

    一般社団法人　園芸学会

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