Kinetics of induction and production of flowers in ashort-day duckweed, Lemna paucicostata 6746,in darkness

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概要

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• The vegetative growth or frond multiplication in the short-day duckweed Lemna paucicostata 6746 (cultured in 1/2 Hutner's medium +1% sucrose in continuous darkness at 26℃) is expressed by the equation, Fr=Fr_0e^<at> where Fr_0 is the frond number (Fr) at zero time (t = 0) and a (= 0.214) is the growth rate. Floral induction occurs ca. 0.4 days after the start of the dark period and the first visible flower appears on day 2.7 of the dark period. As reproductive growth begins, the frond multiplication rate drops to 0.098. A lineage map constructed for the duckweed growth in continuous darkness indicates that one flower is produced at the expense of two fronds. These and relevant findings led the author to a set of parameters for a precise description of duckweed flowering.

• 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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