Optimization of photoautotrophic micropropagation conditions for sweetpotato (Ipomoea batatas (L.) Lam.) plantlets

T. Kozai, Y. Kitaya, Chieri Kubota, R. Kobayashi, S. Watanabe

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Growth and net photosynthetic rate of sweetpotato (Ipomoea batatas (L.) Lam.) 'Beniazuma' plantlet in vitro were studied under photoautotrophic micropropagation conditions (without sugar in the medium and under 100 μmol m-2 s-1 PPFD and enriched CO2 concentrations) with high number of air exchange of the vessel. The photoautotrophic growth under these conditions was enhanced as compared with that of the plantlets cultured under conventional conditions (with sugar in the medium and under 50 μmol m-2 s-1 PPFD and no CO2 enrichment). The growth of the plantlets in a large vessel was greater with medium of hydroponic nutrient solution and vermiculite support under photoautotrophic conditions than with agar gelled medium under conventional conditions.

Original languageEnglish (US)
Pages (from-to)566-569
Number of pages4
JournalActa Horticulturae
Volume440
StatePublished - Dec 1 1996
Externally publishedYes

Fingerprint

Ipomoea batatas
micropropagation
plantlets
carbon dioxide
sugars
vermiculite
hydroponics
nutrient solutions
agar
air

Keywords

  • CO enrichment
  • Environment control
  • Net photosynthetic rate
  • Tissue culture

ASJC Scopus subject areas

  • Horticulture

Cite this

Optimization of photoautotrophic micropropagation conditions for sweetpotato (Ipomoea batatas (L.) Lam.) plantlets. / Kozai, T.; Kitaya, Y.; Kubota, Chieri; Kobayashi, R.; Watanabe, S.

In: Acta Horticulturae, Vol. 440, 01.12.1996, p. 566-569.

Research output: Contribution to journalArticle

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AU - Watanabe, S.

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