光敏色素与光敏感雌性不育苎麻育性转换的关系

作物学报 ›› 2006, Vol. 32 ›› Issue (04): 597-600.

光敏色素与光敏感雌性不育苎麻育性转换的关系

刘恒蔚;周瑞阳;徐俐

广西大学农学院，广西南宁 530005

收稿日期:2005-01-04 修回日期:1900-01-01 出版日期:2006-04-12 网络出版日期:2006-04-12
通讯作者: 周瑞阳

Participation of Phytochrome in Sterility Alteration of Photoperiod-sensitive Female Sterile Ramie

LIU Heng-Wei; ZHOU Rui-Yang and XU Li

College of Agronomy, Guangxi University, Nanning 530005, Guangxi

Received:2005-01-04 Revised:1900-01-01 Published:2006-04-12 Published online:2006-04-12
Contact: ZHOU Rui-Yang

摘要/Abstract

摘要： 利用红光（R）/远红光（FR）逆转的标准试验技术，对光周期敏感雌性不育苎麻（PFSR）进行长暗期（14 h/d）光间断处理。结果表明R间断诱导雌性败育，延迟现蕾和开花；而FR可以逆转R的效应，使雌性可育；暗间断对雄性的育性没有明显影响。暗示光敏色素是PFSR雌性育性光敏性的光受体。

关键词: 光敏色素, 苎麻, 光敏感雌性不育性, 暗间断

Abstract:

Photoperiod-sensitive Female Sterile Ramie (PFSR) is sterile with long-day photoperiods (LD, ≥13 h 30 min light/d ) and fertile with short-day photoperiods (SD, ≤13 h 20 min light/d ). The treatment in the study were composed of LD, SD, and long dark phase (14 h dark/d) in SD photoperiods (10 h light/d) of PFSR with red light (R) / far red light (FR) alternate illuminations which is the standard reverse examination to check if phytochrome is the photoreceptor in a photo-induced reaction. The results showed that female sterile was induced and flower budding and flowering were deferred by R-breaking while these effects were reversed by FR-breaking and female became fertile. Female fertility was induced in the treatments with FR, R+FR and SD (10 h light/d ), and female sterility was induced in the treatments with R, FR+R, R+FR+R and LD (>14 h light/d ), but these were no effects on male fertility in all the treatments. It was indicated that phytochrome is the photoreceptor of female photoperiod-sensitive sterility in PFSR.

Key words: Phytochrome, Ramie [Boehmeria nivea (L.) Gaud.], Photoperiod-sensitive Female Sterility, Dark-breaking

中图分类号:

S563

刘恒蔚;周瑞阳;徐俐. 光敏色素与光敏感雌性不育苎麻育性转换的关系[J]. 作物学报, 2006, 32(04): 597-600.

LIU Heng-Wei; ZHOU Rui-Yang and XU Li. Participation of Phytochrome in Sterility Alteration of Photoperiod-sensitive Female Sterile Ramie[J]. Acta Agron Sin, 2006, 32(04): 597-600.

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