Control of FLowering in Lilium brownii var. colchesteri

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  • ハカタユリ (Lilium brownii var. colchesteri) の開花調節
  • ハカタユリ Lilium brownii var colchesteri ノ カイカ チョウセツ

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Abstract

Effects of temperature on growth and flowering of Lilium brownii var. colchesteri were investigated. The bulbs require at least 6 weeks of low temperature for subsequent growth and flowering after planting. Cold treatment for eight weeks is more preferable for forcing. Cumulative temperature for the plant from planting of the bulbs to anthesis is estimated to be approximately 1,400°C. The low temperature requirement is similar to that of Easter lily (Lilium longiflorum), but the cumulative temperature is lower than that for Easter lily. Retarded cultivation is possible by storing the bulbs at - 2°C in which the cumulative temperature is also around 1,400°C from planting until anthesis if no sprouting is visible during storage.

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