Effect of photoperiod and light intensity on in vitro propagation of Alocasia amazonica

被引：31

作者：

Jo, Eun-A. ^{[1
]}

Tewari, Rajesh Kumar ^{[1
]}

Hahn, Eun-Joo ^{[1
]}

Paek, Kee-Yoeup ^{[1
]}

机构：

[1] Chungbuk Natl Univ, Res Ctr Dev Adv Hort Technol, Cheongju 361763, South Korea

来源：

PLANT BIOTECHNOLOGY REPORTS | 2008年 / 2卷 / 03期

关键词：

in vitro culture; light intensity; photoperiod; stomatal development; relative water content;

D O I：

10.1007/s11816-008-0063-6

中图分类号：

Q81 [生物工程学（生物技术）]; Q93 [微生物学];

学科分类号：

071005 ; 0836 ; 090102 ; 100705 ;

摘要：

Plantlets of Alocasia amazonica regenerated under a photon flux density (PFD) of 15 or 30 mu mol m(-2) s(-1) showed better growth and development than those grown under higher PFDs. While chlorophyll a and chlorophyll b decreased, the number of stomata increased with increasing PFD. Photoperiods also affected plantlet growth and stomatal development. Highest growth was observed for the short photoperiod (8/16 h) and for equinoctial (12/12 h) light and dark periods. Very few stomata developed in the leaves of plantlets grown under a short photoperiod (8/16 h) and the number of stomata increased with increasing light period. In conclusion, both light intensity and photoperiod independently affect growth of A. amazonica and development of stomata, depending on the intensity and duration of light treatment.

引用

页码：207 / 212

页数：6

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