Long-Day Flowering of Perilla Plants Cultued in Nitrogen-Poor Media

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概要

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• Green-leaved and red-leaved Perilla plants (short-day plants) cultured aseptically on diluted modified White's medium or on full strength White's medium (W) containing reduced concentrations of nitrogen sources, initiated flower buds under continuous light (2,000-2,200 lux fluorescent lamps) at 24-26℃. The addition of sucrose to the medium promoted flower formation; the optimum concentration was 2% in 1/10×W medium. The plants cultured on undertilized vermiculite also developed flower buds readily, unlike those on fertilized vermiculite. High-intensity light (8,000 lux fluorescent lamps) given during the first 30 days of culture promoted flowering. This effect was also produced to a lesser degree by the addition of sucrose to the medium, instead. On the other hand, high-intensity light given during the second 30 days or throughout the culture period inhibited flowering, irrespective of the presence of sucrose in the medium.

• 日本植物生理学会の論文

著者

• Wada Kiyomi

  Biological Institute Faculty Of Liberal Arts And Science Shizuoka University

• Totsuka Toshiaki

  Biological Institute Faculty Of Science Shizuoka University

関連論文

• Flowering Response in Relation to C and N Contents of Pharbitis nil Plants Cultured in Nitrogen-Poor Media
• Pharbitin content in Pharbitis nil
• Floral initiation under continuous light in Pharbitis nil, a typical short-day plant
• Flowering response of Pharbitis nil seedlings in water culture : The relation between medium dilution and timing mechanism
• Long-Day Flowering of Perilla Plants Cultued in Nitrogen-Poor Media
• Studies on the Flower Initiation of Spring Wheat in Aseptic Culture : III. The Effects of Gibberellin and Auxin on the Growth and Flowering in Total Darkness
• Studies on the Flower Initiation of Spring Wheat in Aseptic Culture : II. The Influence of Ribonucleic Acid and Riboflavin

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