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Table 1 Major male sterility systems utilized in hybrid rice production in China 1

From: Workable male sterility systems for hybrid rice: Genetics, biochemistry, molecular biology, and utilization

MS type

Progenitor MS line2

Leading MS lines3

1 Cytoplasmic male sterility (CMS)

1.1 BT and BT-like CMS

1.1.1 BT-CMS

Chinsurah Boro II (indica) cytoplasm with Liming (japonica) nucleus

Liming A; Xu 9201A

1.1.2 Dian1-CMS

Yunnan high altitude landrace rice (indica) cytoplasm with Hongmaoying (japonica) nucleus

Yongjing 2A; Ning 67A

1.2 HL-CMS

Red-awned wild rice (Oryza rufipogon) cytoplasm with Liantangzao (indica) nucleus

Yuetai A; Luohong 3A4

1.3 WA-and WA-like CMS

1.3.1 WA-CMS

Wild abortive rice (Oryza rufipogon) cytoplasm with Erjiunan 1 (indica) nucleus

Zhenshan 97 A, V 20A

1.3.2 D-CMS

Dissi (indica) cytoplasm with Zhenshan 97 (indica) Nucleus

D-Shan A, D62A

1.3.3 DA-CMS

Dwarf abortive rice (Oryza rufipogon) cytoplasm with Xieqingzao (indica) nucleus

Xieqingzao A

1.3.4 GA-CMS

Gambiaca (indica) cytoplasm with Chaoyang 1 (indica) nucleus

Gang 46A

1.3.5 ID-CMS

Indonesia paddy rice (indica) cytoplasm with Zhending 28 (indica) nucleus

II 32A, You 1A

1.3.6 K-CMS

K52(japonica) cytoplasm with Fenglongzao/Qing’er’ai (indica) nulceus

K-17A

1.3.7 LX-CMS

Luihui rice (indica) cytoplasm with Zhenshan 97B (indica)

Yue 4A

1.3.8 Maxie-CMS

MS mutant of Maweizhan (indica) with Xieqingzao (indica)

Maxie A

1.3.9 NX-CMS

Selected from F2 male sterile plants in the progeny of Wanhui 88 (indica) x Neihui 92–4 (indica) nucleus

Neixiang 2A, Neixiang 5A

1.3.10 Y-CMS

Yegong (indica landrace) cytoplasm with BII44-5 (indica) nucleus

Y Huanong A

2 Environment-conditioned genic male sterility (EGMS)

2.1 PGMS

Nongken 58S, a photoperiod-sensitive genic male sterile (PGMS) mutant of a japonica cultivar Nongken 58

7001S, N5088S

2.2 P/TGMS

Photoperiod and temperature sensitive genic male sterile (P/TGMS) derived from Nongken 58S

Pei’ai 64S

2.3 TGMS

Spontaneous temperature sensitive genic male sterile (TGMS) mutants Annong S-1 and Zhu 1S

Guangzhan 63S5, XinanS

  1. 1The pedigree information was acquired from the China Rice Data Center (http://www.ricedata.cn/index.htm) and cross checked with references cited therein.
  2. 2For CMS lines, the progenitor CMS was always developed by successive backcrossing of the nucleus donor to the cytoplasm donor, e.g., BT-CMS line was developed by backcrossing the cultivar Liming as recurrent parent to Chinsurah Boro II. For EGMS lines, the very progenitor mutant is provided.
  3. 3Leading lines are the top two MS lines whose hybrids have the largest accumulative planting areas according to China Rice Data Center (http://www.ricedata.cn/index.htm).
  4. 4Honglian A was the first leading HL-CMS line, from which subsequently derived a series of HL-CMS lines such as Huaai 15A, Congguang 41A, Yuetai A, Lu1A ~ Lu3A, Luohong 3A, Luohong 4A, etc. (Zhu [2000]).
  5. 4Guangzhang 63S is a typical TGMS line although it was selected from progenies derived from Nongken 58S (Xu et al. [2011]).
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