ブドウの温度条件に関する研究 (第6報)

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タイトル別名
  • Studies on the thermal conditions of grapes. VI
  • ブドウの温度条件に関する研究-6-昼夜温がDelawareの収量品質に及ぼす影響〔英文〕
  • ブドウ ノ オンド ジョウケン ニ カンスル ケンキュウ 6 チュウヤオン ガ Delaware ノ シュウリョウ ヒンシツ ニ オヨボス エイキョウ エイブン
  • Studies on the thermal conditions of grapes. VI. Effects of day and night temperatures on yield and quality of Delaware grapes
  • Effects of day and night temperatures on yield and quality of Delaware grapes

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1. The effects of day and night temperatures on the berry growth, yield and quality of Delaware grapes were observed in each of the growth stages, berry enlargement and maturity. As a result, when expressed on the basis of berry temperature itself, the suitable day and night temperatures were approximately the same, being always about 22°C. However, for the promotion of berry maturity, a higher temperature than 22°C was favorable, although never allowed to exceed 30°C.<br>2. In mid-summer, the air temperature at daytime readily reached more than 30°C, and berries had a temperature higher than the air by 5° to 6°C, receiving intensive sunlight. Therefore, the optimum berry temperature for the berry growth and quality was usually found at night. Judged from this fact, a difference of temperature between day and night or a low night temperature seems to be necessary in the stages of berry enlargement and maturity in increasing yield and berry quality of Delaware grapes.

収録刊行物

  • 園芸学会雑誌

    園芸学会雑誌 36 (4), 373-379, 1967

    一般社団法人　園芸学会

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