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- Title
Cytological Observation of Two Environmental Genie Male-Sterile Lines of Rice.
- Authors
Su-jin Ku; Kyu-Hyun Cho; Young-Ju Choi; Wook-Ki Baek; Shinje Kim; Hak-Soo Suh; Yong-Yoon Chung
- Abstract
We report here two environmental genie male-sterilities (EGMS) in rice, These two EGMS rice lines, thermo-sensitive genic male-sterility (TGMS) and photoperiod-sensitive genie male-sterility (PGMS), are controlled by temperature and photoperiod, respectively, in determining their male-sterility. Male-sterility of the TGMS and PGMS was found to be induced when they were grown at 32°C/26°C (day/night) with 14 h daylight, while they were fertile at 26°C/20°C (day/night) with 10 h daylight in a growth chamber. We also examined their anther structures under a light microscope. The light microscopic observation revealed that the EGMS lines showed a complete pollen abortion at the sterile growth condition while they produced normal fertile pollens at the fertile growth condition.
- Subjects
INFERTILITY; LIGHT sources; POLLINATION; PALYNOLOGY; RICE
- Publication
Molecules & Cells (Springer Nature), 2001, Vol 12, Issue 3, p406
- ISSN
1016-8478
- Publication type
Article
- DOI
10.1016/s1016-8478(23)17115-9