Effects of temperature and shade treatment on flower colors and characteristics in newly established reddish-purple tuberose (Polianthes)

Kuang Liang Huang, Ikuo Miyajima, Hiroshi Okubo

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Effects of temperature and light condition on flower colors and flowering characteristics of newly established reddish-purple flowered tuberose '77A05' were investigated. Days to anthesis from planting of corms at 20 °C were significantly longer than at 25 or 30 °C. Floret diameter and petal length was significantly larger at 30 °C than at 20 or 25 °C. Flower color was almost white at 30 °C, whereas the flowers cultivated at 20 °C showed reddish-purple. The flowers cultivated at 25 °C were almost white by 45% shading, but pale reddish-purple under 25 or 0% shade treatment. Anthocyanin content was extremely low at 30 °C. These results seem to relate to the enzyme activity which participate the biosynthesis of anthocyanins. Environmental conditions for the cultivation of the anthocyanin-containing hybrid tuberose must be carefully considered.

Original languageEnglish
Pages (from-to)57-63
Number of pages7
JournalJournal of the Faculty of Agriculture, Kyushu University
Volume45
Issue number1
Publication statusPublished - Nov 1 2000

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Polianthes
Anthocyanins
shade
Color
flowers
anthocyanins
Temperature
color
temperature
flowering
corms
florets
corolla
planting
biosynthesis
enzyme activity
Light
environmental factors
Asparagaceae
Enzymes

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Agronomy and Crop Science

Cite this

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abstract = "Effects of temperature and light condition on flower colors and flowering characteristics of newly established reddish-purple flowered tuberose '77A05' were investigated. Days to anthesis from planting of corms at 20 °C were significantly longer than at 25 or 30 °C. Floret diameter and petal length was significantly larger at 30 °C than at 20 or 25 °C. Flower color was almost white at 30 °C, whereas the flowers cultivated at 20 °C showed reddish-purple. The flowers cultivated at 25 °C were almost white by 45{\%} shading, but pale reddish-purple under 25 or 0{\%} shade treatment. Anthocyanin content was extremely low at 30 °C. These results seem to relate to the enzyme activity which participate the biosynthesis of anthocyanins. Environmental conditions for the cultivation of the anthocyanin-containing hybrid tuberose must be carefully considered.",
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