園藝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3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. III
  • 園芸作物に於けるビタンB1の生理と利用に関する研究-3-
  • エンゲイ サクモツ ニ オケル ビタン B1 ノ セイリ ト リヨウ ニ カンスル ケンキュウ 3
  • On the physiology and utilization of vitamin B1 in garden crops. III
  • The effects of foliage thiamin sprays on the growth and yield of sweet potatoes

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抄録

This paper reports the results of the studies on the effects of foliage thiamin sprays on the growth and yield of sweet potatoes. Five vatieties, Norir, No. 1, Norin No. 4, Kanto No. 24, Taihaku, Shij Uimo were used.<br> The results obtained were as follows.<br> 1. Sprayings of thiamin solution on the leaves of sweet potatoes promoted root growth, increased the number and length of roots, and increased the weight of stems and leaves.<br> 2. Sprayings of thiamin solution on the leaves of sweet potatoes increased the percentage of large storage roots.<br> 3. Sprayings was more effective in the first half than in the latter half of their growing season.<br> 4. The most effective thiamin concentration for sprayings was 1 ppm, when 2 cc of the solu-tion was sprayed on one plant at intervals of ten days.

収録刊行物

  • 園芸学会雑誌

    園芸学会雑誌 23 (4), 228-236, 1955

    一般社団法人　園芸学会

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