Effects of Ferrous and Phosphate Ions on Flowering in Lemna paucicostata 6746 in Diluted Hutner's Medium

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概要

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• In Lemna paucicostata 6746, P_2 (flower induction period) in continuous darkness was largely extended by dilution of 1/2 H1S medium (Hutner's medium supplemented with 1% sucrose) to 1/10 strength. The dilution of 1/2 H1S medium to 1/10 strength removed completely the extension of P_1 (pre-flower induction period) and P_2 due to a red light pulse given at the 7th h of the dark period, which was observed in 1/2 H1S medium. When iron and phosphate ions were added to l/10 H1S medium up to the same concentration as in 1/2 HIS medium, the extension of P_1 was removed completely. The red light pulse-induced extension of P_1 was observed in 1/10 HIS medium only when iron ions were added. It is suggested that iron (Fe^<++>) and phosphate ions are important in determining the rate of photoperiodic flower induction in L. paucicostata 6746.

• 日本植物生理学会の論文

著者

• Mori Hiroyuki

  Biological Institute Nagoya University

関連論文

• Induction and Production of Flowers in a Short-Day Duckweed, Lemna paucicostata 6746, in Diluted Hutner's Medium in Uninterrupted and Interrupted Darkness
• DNA of synthesis as related to the reappearance of "light interruption rhythm" in a long-day duckweed, Lemna gibba G 3
• Effects of Ferrous and Phosphate Ions on Flowering in Lemna paucicostata 6746 in Diluted Hutner's Medium
• Effect of far-red light pulse on induction and production of flowers in Lemna paucicostata 6746 in darkness
• Kinetics of induction and production of flowers in ashort-day duckweed, Lemna paucicostata 6746,in darkness
• Effect of red light pulse on induction and production of flowers in a short-day duckweed, Lemna paucicostata 6746, in darkness

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