C. Report of Committee on Gene symbolization. Nomenclature and Linkage Groups
Convener: T.Kinoshita

(For memory)

Numbering of rice chromosomes and their relationships with linkage groups
(from RGN 7, p. 13)

Trisomics
Karyotype
Chromosome
Number
Khush
et al.
(1984)
Iwata
& Omura
(1984)
Kurata
& Omura
(1978)
Wu&
Chung
(1988)
Trans-
locations
Nishimura
(1961)
Linkage
group
1 1 O Kl 1 3 III
2 2 N K2 3 8 X
3 4 M K3 2 5 XI+XII
4 12 E K4 4 11 II
5 5 L K9 5 2 VI+IX
6 3 B K6 6 6 I
7 7 F Kll 7(11) 10 IV
8 8 D K7 9 12 sug
9 9 H K10 8 1 V+VII
10 10 C K12 10 7 fgl
11 11 G K8 11(7) 9 VIII
12 6 A K5 12 4 d-33
List of gene symbols recommended (with linkage group and key literature)

1)Phenotype-oriented:RGN 6, p. 12-29.
2) Alphebetically arranged: RGN 8, p.4-25.
3) Chromosome-oriented: RGN 7, p25-35, RGN 10, p-20-32 (supplement to previous lists).
4) Linkage-group oriented: RGN 4, p. 13-24: its supplement, RGN 5, p.8.

Linkage maps

RGN 4, p. 1 1-12: RGN 7, p.22-24: RGN 10, p. 18-19.
Chloroplast and mitochondrial genetic maps: RGN 11, p.20-22.

I. New gene symbols registered

In accordance with rule 7, the following gene symbols are registered after an
examination for priority and validity, with the assistance of coordinators for respective
traits.
 
 

GENE SYMBOL REGISTRATION No.70

Registrant: H.W.Cai and X. K.Wang (BeijingAgric, University, Beijing. 100094, China)

Gene symbol: Est-10

Gene name: Esterase-10

Character expression: Monomers. The band migrates slower than that of Est-5.

Active in seed. and faint in leaves showing some

modification

Name of original line: Est-10': T65. Akihikari  
Est-10-2: IR36. NIG 108

Est-10-3:Aus 27 (IRGC28890)

Est-10-4:Dhala Aman 1048 (IRGC32866)

Est-10-5: BAU92W163 (0. rufipogon from China)

Est-10-0. Aus boro (IRGC36983)

Gene locus: Chromosome 1: 2.7cM to RG220

Remark: Data on F2 segregation and RFLP mapping are reported.

References: Cai, H. W.,Y.Chen,Y.B.Xi,J.C.Xu, H. W. Cai and Z.Z.

Ling. 1990. Acta Agric. Univ.Pekinensis 16: 262-272.

Cai. H. W. and X. K. Wang. 1994. RGN 11:83-85


GENE SYMBOL REGISTRATION No.71
 

Registrant: H. W. Cai and X. K. Wang (Beijing Agric. University, Beijing, 100094, China)

Gene symbol: Est 11(t) Gene name: Esterase-11

Character expression: Dimers. The band migrates faster than that of Est-2 and

slower than that of Est-12. expressed as a double band Name of original line: Est-ll(t) 1-. T65, IR36 Est-ll (t)2: BAU92W57 (0. rufipogon from China)

Est-11(t)-3 IRGCIOOI 19 (0. barthii)

Est-11(t)-0: Aus boro (IRGC36983)

Remark: Data on F2 segregation are reported.

Reference: Cai. H. W. and X. K. Wang. 1994. RGN 11: 83-85.

 
GENE SYMBOL REGISTRATION No.72
 
Registrant: H. W. Cai and X. K. Wang (Beijing Agric. University, Beijing. 100094. China)

Gene symbol: Est-12

Gene name: Esterase-12
Character expression: Monomers. The band migrates faster than that of
                                    Est-11(t) and slower than that of Est-3. Active in the yellow part of the plumule Name of original line: Est-12¹:IR36. NIG 108

                                Est-12º:T65,Akihikari

Gene locus: Chromosome 9: 29. 1cM to RZ12

Remark: Data on segregations of F2 and DH lines, and linkage with
                RFLP markers are reported.
Reference: Cai, H.W. and X. K.Wang. 1994. RGN 11: 83-85.

GENE SYMBOL REGISTRATION No.73

Registrant: H. W. Cai and X. K. Wang (BeijingAgric. University, Beijing, 100094. China)
Gene symbol: Est-13

Gene name: Esterase-13

Character expression: Monomers. The band migrates slower than that of
                                    Est-10. expressed as a double band

Name of original line: Est-13': IR36. NIG 108

                                   Est-13²-: T65. Akihikari

Gene locus: Chromosome 5: 17.9cM to RG13

Remark: Data on segregations of F2 and DH lines, and linkage RFLP markers are reported.
Reference: Cai. H. W. and X. K. Wang, 1994. RGN 11: 83-85.

GENE SYMBOL REGISTRATION No.74
 
Registrant: H. W. Cai. X. L. Sun and X. K. Wang (Beijing Agric.University, Beijing. 100094. China)
Gene symbol: Amp-5

Gene name: Aminopeptidase-5

Character expression: Monomers. The band migrates faster than that of Amp-l
                                    Active in seed and stained by Leu-NAm substrate

  Name of original line: Amp-5': IR36, NIG 108 Amp-5²: T65. Akihikari

Amp-5³: NIG NE4 (0. rufipogon). NIG201

Amp-5.4.DhalaAman 1058 (IRGC32867)

Amp-5º:Aus 317 (IRGC29104)

Gene locus: Chromosome 6: 15.0cM to Est-2

Remark: Data on segregations of F2 and DH lines, and linkage analysis are reported.
Reference: Cai. H. W., X. L. Sun and X. K. Wang. 1995. RGN 12: 187-189

GENE SYMBOL REGISTRATION No.75
 
Registrant: H. W. Cai. and X. K. Wang (Beijing Agric. University, Beijing, 100094, China)

Gene symbol : Mal-2

Gene name: Malatedehydrogenase (NADP)-2

Character expression: Monomers. The band migrates faster than that of Mal-I. Active in the green part of the plumule

Name of original line:  Mal-2¹: IR36
                                    Mal-2²-. T65, Akihikari
Gene locus : Chromosome 7; 1.8cM to RG51 I

Remark: Data on segregations of F2 and DH lines, and linkage with RFLP markers are reported.

Reference : Cai.H.W., X. L. Sun and X. K.Wang, 1994. RGN 11: 86-88.

GENE SYMBOL REGISTRATION No.76

Registrant: H. W. Cai, X. L. Sun and X. K. Wang(Beijing Agric.University, Beijing, 100094. China)

Gene symbol: Mal-3(t)

Gene name: Malate dehydrogenase (NADP)-3

Character expression: Monomers. The band migrates slower than that of Mal-1.

Name of original line: Mal-3(t)¹Nanjing II

                                Mal-3(t)²-: T65, Akihikari, IR36

Remark:  Data on F2 segregation are reported.

Reference: Cai, H. W., X. L. Sun and X. K. Wang, 1994, RGN 11: 86-88.

GENE SYMBOL REGISTRATION No.77

Registrant: Hikaru Satoh,Satomi.Yoshimura(Fac.Agr. Kyushu University, Fukuoka, Japan), Toshihiro.Kumamaru (Plant Breed. and
                Genetic Res., Lab., Japan Tobacco Inc.. lwata,Shizuoka-ken. Japan) and MasahiroOgawa (Fac. Home Economics,
                Yamaguchi Women's University. Yamaguchi, Japan)
Gene symbol: Glup-l

Gene name: Glutelin precursor-1

Character expression: High content of 57kDa polypeptide (glutelin precursor po-lypeptide) with low content of 40kDa
                                    and 20kDa polypeptides

Name of original line: EM61, induced by EMU treatment from cultivarKinmaze

Gene locus : Chromosome 9

Remark : Data on F2 and trisomic segregations are reported.

Reference: Satoh. H. T. Kumamaru, S. Yoshimura and M. Ogawa. 1994. RGN 11: 158-161.
 
 

GENE SYMBOL REGISTRATION No.78

Registrant: Hikaru Satoh, Satomi. Yoshimura (Fac. Agr. Kyushu University, Fukuoka. Japan), Toshihiro. Kumamaru (Plant Breed.
                andGenetic Res., Lab., Japan Tobacco Inc., Iwata, Shizuoka-
 

ken. Japan) and Masahiro.Ogawa(Fac. Home Economics.
Yamaguchi Women's University. Yamaguchi. Japan)
Gene symbol: glup-2
Gene name: glutelin precursor-2
Character expression: High content of 57kDa polypeptide (glutelin precursor po-
lypeptide) with low content of 40kDa and 20kDa polypeptides
Name of original line: EM305, induced by EMU treatment from cultivarKinmaze
Gene locus: Chromosome 9; 29% to Glup-1
Remark: Data on F2 and trisomic segregations are reported.
Reference: Satoh.H,T.Kumamaru,S.Yoshimura and M. Ogawa. 1994.
RGN: 158-161.
GENE SYMBOL REGISTRATION No.79
Registrant: Hikaru Satoh, Takayuki.lto,Min Yon Son (Fac. Agr. Kyushu
University, Fukuoka, Japan),.Toshihiro Kumamaru (Plant
Breed, and Genetic Res., Lab., Japan Tobacco Inc.. lwata,
Shizuoka-ken, Japan)
Gene symbol: glup-3
Gene name: glutelin precursor-3
Character expression: High content of 57kDa polypeptide (glutelin precursor po-
lypeptide) with low content of 40kDa and 20kDa polypeptides
Name of original line: HO 1051 from Russia and HO 1274 from Nothern China
Gene locus: Chromosome 4
Remark: Data on F2 and trisomic segregations are reported.
Reference: Satoh. H, T. lto. M. Y. Son and T. Kumamaru. 1993, Japan. J.
Breed. 43 (Suppl. 1): 139.
GENE SYMBOL REGISTRATION No.80
Registrant: Takayuki lto, Hikaru. Satoh and Min Yon Son (Fac. Agr.
Kyushu University. Fukuoka. Japan)
Gene symbol: glup-4
Gene name: glutelin precursor-4
Character expression: High content of 57kDa polypeptide (glutelin precursor po-
lypeptide) with low content of 40kDa and 20kDa polypeptides
Name of original line: EM956. induced by MNU treatment from cultivar T65
Gene locus: Chromosome 5
Remark: Data on F2 and trisomic segregations are reported.
Reference: lto. T. H. Satoh and M. Y. Son 1993. Japan. J. Breed. 43
(Suppl. 2): 103
GENE SYMBOL REGISTRATION No.81
Registrant: Ryoichi Ikeda (Nat. Agr. Res. Cent., Tsukuba, Japan),

 
 
 
 
HabibuddinHashirn(MARDI Rice Res. Cent.. Malaysia) and
TokioImbe(IRRI, Philippines)
Gene symbol: tsv-1
Gene name: rice tungro spherical virus-1
Character expression: Resistance to rice tungro spherical virus
Name of original line: UtriMerah (International Rice Germplasm Center (IRGC)
Acc. No. 16680). Utri Rajapan (IRGC Ace. No. 16684),
Pankhari 203 (IRGC Ace. No. 5999). etc.
Remark: Data on F1 reaction and F3 line segregation are reported.
Reference: Ebron.L. A., R.R.Yumol,R.Ikeda and T. Imbe, 1994. IRRN
19(4): 10-11.
GENE SYMBOL REGISTRATION No.82
Registrant: Ryoichi Ikeda (Nat. Agr. Res. Cent..Tsukuba. Japan), and
Tokio Imbe (IRRI, Philippines)
Gene symbol: tsv-2
Gene name: rice tungro spherical virus-2
Character expression: Resistance to rice tungro spherical virus
Name of original line: Utri Merah (International Rice Germplasm Center (IRGC)
Ace. No. 16680)
Remark: Data on F1 reaction and F3 line segregation are reported.
Reference: Ebron, L. A„ R. R. Yumol. R. Ikeda and T. Imbe. 1994. IRRN
19(4): 10-11.
GENE SYMBOL REGISTRATION No.83
Registrant: G.S.Khush and A. C.Sanchez (IRRI. P. 0. Box 933. Manila.
Philippines)
Gene symbol: pl-2(t)
Gene name: purple leaf-2
Character expression: All plant parts except the lemma and palea are purple.
Name of original line: Unknown
Gene locus: Chromosome 4
Remark: Data on F2 segregation with Triple 4 are reported.
Reference: Sanchez, A. C. and G. S. Khush. 1994. J. Heredity 85(4):
297-300.
GENE SYMBOL REGISTRATION No.84
Registrant: G. S. Khush and A. C. Sanchez (IRRI. P. 0. Box 933, Manila.
Philippines)
Gene symbol: wp-1
Gene name: white panicle-1
Character expression: Panicles are white from exertion to early grain filling. Mature

 
 
grains are straw-colored.
Name of original line: Supriya
Gene locus: Chromosome 7
Remark: Data on F2 segregation with Triple 7 and linkage analysis arc
reported.
Reference: Sanchez, A. C. and G.S.Khush, 1994. J. Heredity 85(4):
297-300.
GENE SYMBOL REGISTRATION No.85
Registrant: G. S. Khush and A. C. Sanchez (IRRI, P. 0. Box 933. Manila.
Philippines)
Gene symbol: bc-5
Gene name: brittle node
Character expression: Tillers break at the node when gently pulled. Leaf blades
break from leaf sheaths at thejunctura upon gentle pulling.
Name of original line: Saturn
Gene locus: Chromosome 2
Remark: Data on F2 segregation with Triple 2 are reported.
Reference: Khush, G. S. and A. C. Sanchez. 1993. RGN 10: 75-76.
Sanchez, A. C. and G. S. Khush, 1994. J. Heredity 85(4):
297-300.
GENE SYMBOL REGISTRATION No.86
Registrant: G. S. Khush and A. C. Sanchez (IRRI, P. 0. Box 933. Manila,
Philippines)
Gene symbol: Rk-3
Gene name: Round kernel-3
Character expression: Small and round kernels.
Name of original line: TKM2/TNI breeding line
Origin: Spontaneous mutation
Gene locus: Chromosome 5
Remark: Data on F2 segregation with Triple 5 are reported.
Reference: Sanchez. A. C. and G. S. Khush. 1994. J. Heredity 85(4):
297-300.
GENE SYMBOL REGISTRATION No.87
Registrant: G. S. Khush and A. C. Sanchez (IRRI. P. 0. Box 933. Manila.
Philippines)
Gene symbol: gf-2
Gene name: gold furrows ofhull-2
Character expression: The lemma and palea have intense golden furrows from
gold furrows of hull-2

 
 
 
 
hulls a golden color
Origin: Novel mutant selected from the wide cross progenies of 0.
sativa/O.officinalis
Gene locus: Chromosome 1
Remark: Data on F2 segregation with Triple 1 are reported.
Reference: Sanchez, A. C. and G.S.Khush. 1994. J. Heredity 85(4):
297-300.
GENE SYMBOL REGISTRATION No.88
Registrant: G. S. Khush and A. C. Sanchez (IRRI, P. 0. Box 933. Manila,
Philippines)
Gene symbol: st-7
Gene name: stripe-7
Character expression: Mutants have white stripes on leaves at germination. Stripes
become more prominent at tillering stage and persist up to
maturity.
Origin: Novel mutant selected from the wide cross progenies of (9.
sativa/O. officinalis
Gene locus: Chromosome 4
Remark: Data on F2 segregation with Triple 4 are reported.
Reference: Sanchez, A. C. and G. S. Khush, 1994. J. Heredity 85(4):
297-300.
GENE SYMBOL REGISTRATION No.89
Registrant: G. S. Khush and A. C. Sanchez (IRRI, P. 0. Box 933, Manila.
Philippines)
Gene symbol: z-7
Gene name: zebra-7
Character expression: Seedlings have yellow bands from emergence for about 20
days. The chlorotic bands are very prominent at early tillering,
but do not persist at late growth stages.
Name of original line: IR62
Origin: Spontaneous mutation
Gene locus: Chromosome 5
Remark: Data on allelic tests and F2 segregation are reoprted.
Reference: Sanchez. A. C. and G. S. Khush. 1994. J. Heredity 85(4):
297-300.
GENE SYMBOL REGISTRATION No.90
Registrant: G. S. Khush and A. C. Sanchez (IRRI. P. 0. Box 933, Manila,
Philippines)
Gene symbol: Data on allelic tests and F2 segregation are reoprted.

 
 
Gene name: zebra-8
Character expression: Distinct yellow bands on leaf blades at 35-60 days after
seeding which disappear at later growth stages
Name of original line: CR 113-32
Origin: Spontaneous mutation
Remark: Data on allelic tests and F2 segregation are reported.
References: Sanchez, A. C. and G.S.Khush, 1992. RGN 9: 68-71.
Sanchez, A. C. and G. S. Khush, 1994. J. Heredity 85(4):
297-300.
GENE SYMBOL REGISTRATION No.91
Registrant: G. S. Khush and A. C. Sanchez (IRRI P. 0. Box 933. Manila.
Philippines)
Gene symbol: z-9
Gene name: zebra-9
Character expression: Distinct yellow bands on old seedlings which disappear at
later stages
Name of original line: Ratna
Gene locus: Chromosome 3
Remark: Data on allelic tests and F2 segregation are reported.
References: Sanchez, A. C. and G. S. Khush. 1992. RGN 9: 68-71.
Sanchez. A. C. and G. S. Khush, 1994. J. Heredity 85(4):
297-300.
GENE SYMBOL REGISTRATION No.92
Registrant: G. S. Khush and A. C. Sanchez (IRRI. P. 0. Box 933. Manila.
Philippines)
Gene symbol: z-10
Gene name: zebra-10
Character expression: Irregular yellow bands on leaf blades which disappear at about
40 days after seeding
Name of original line: Saturn
Gene locus: Chromosome 7
Remark: Data on allelic tests and F2 segregation are reported.
References: Sanchez. A. C. and G. S. Khush. 1992. RGN 9: 68-71.
Sanchez. A. C. and G. S. Khush. 1994. J. Heredity 85(4):
297-300.
GENE SYMBOL REGISTRATION No.93
Registrant: G. S. Khush and A. C. Sanchez (IRRI. P. 0. Box 933. Manila.
Philippines)
Gene symbol: z-11

 

18 Rice Genetics Newsletter Vol. 12
 

Gene name: zebra-11
Character expression: Irregular yellow bands on leaf blades throughout the growth
duration of the plant. Panicles are white.
Gene locus: Chromosome 2
Remark: Data on allelic tests and F2 segregation are reported.
References: Sanchez, A. C. and G.S.Khush. 1992. RGN 9: 68-71.
Sanchez, A. C. and G. S. Khush. 1994. J. Heredity 85(4):
297-300.
GENE SYMBOL REGISTRATION No.94
Registrant: G. S. Khush and A. C. Sanchez (IRRI, P. 0. Box 933. Manila.
Philippines)
Gene symbol: z-12
Gene name: zebra-12
Character expression: Irregular yellow bands on leaf blades which disappear at
tillering stage
Name of original line: Saturn
Gene locus: Chromosome 2
Remark: Data on allelic tests and F2 segregation are reported.
References: Sanchez, A. C. and G. S. Khush, 1992. RGN 9: 68-71.
Sanchez, A. C. and G. S. Khush. 1994. J. Heredity 85(4):
297-300.
GENE SYMBOL REGISTRATION No.95
Registrant: G. S. Khush and A. C. Sanchez (IRRI, P. 0. Box 933, Manila.
Philippines)
Gene symbol: z-13
Gene name: zebra-13
Character expression: Irregular white bands on the leaf blades throughout the
growing stage
Name of original line: PTB 10
Gene locus: Chromosome 6
Remark: Data on allelic tests and F2 segregation are reported.
Reference: Sanchez, A. C. and G. S. Khush. 1992. RGN 9: 68-71.
Sanchez, A. C. and G. S. Khush. 1994. J. Heredity 85(4):
297-300.
GENE SYMBOL REGISTRATION No.96
Registrant: G. S. Khush and A. C. Sanchez (IRRI, P. 0. Box 933. Manila,
Philippines)
Gene symbol: st-8
Gene name: st-8

 
 
Character expression: Fine white stripes on first leaves of seedlings. Later leaves do
                                 not show stripes.
Name of original line: Supriya
Gene locus: Chromosome 7
Remark: Data on linkage with wp-l and z-10 are reported.
Reference: Sanchez, A. C. and G.S.Khush, 1994. J. Heredity 85(4):
                       297-300.
GENE SYMBOL REGISTRATION No.97
Registrant: R. Nelson (IRRI, P. 0. Box 933, Manila, Philippines)
Gene symbol: Pi-5(t)
Gene name: Pyriculariaoryzaeresistance-5
Character expression: Resistance to some races of the blast pathogenPyricularia
                                grisea
Gene locus: Chromosome 4; linked to RFLP marker RG788
Origin: Moroberekan
Remark: Near-isogenic line being developed by T.Inukai
Reference: Wang, G.,D. J. Mackill, J. M.Bonman, S. R. McCouch and
                     R. J. Nelson, 1994. Genetics 136: 1421-1434.
GENE SYMBOL REGISTRATION No.98
Registrant: R. Nelson (IRRI, P. 0. Box 933, Manila. Philippines)
Gene symbol: Pi-7(t)
Gene name: Pyricularia oryzaeresistance-7
Character expression: Resistance to some races of the blast pathogen Pyricularia
                                       grisea
Gene locus: Chromosome 11: linked to RFLP marker RG 16
Origin: Moroberekan
Remark: Near-isogenic line being developed by T. Inukai
Reference: Wang, G., D. J. Mackill, J. M. Bonman. S. R. McCouch and
                     R.J. Nelson, 1994. Genetics 136: 1421-1434.
GENE SYMBOL REGISTRATION No.99
Registrant: Eui-ShikRha,Fu-Sheng Thseng and Shu-TuWu (Coil. Agr.
                 Chung Hsing University, Taichung. Taiwan, ROC)
Gene symbol: ga-13
Gene name: gametophyte gene-13
Character expression: Distorted segregation due to gametic selection
Name of original line: Taichung Sen 3. Liguleless line (near-isogenic line of Taic-
                                 hung 65)
Gene locus: Chromosome 12
Remark: F2 and B1F1 segregations showing the gametic selection, and

 
 
 
 
F3 segregation showing a linkage with Acp-l on chromosome
12 are reported.
Reference: Rha.E.S.,RS.Thseng and S.T.Wu, 1994. RGN 11:
                      106-108.
GENE SYMBOL REGISTRATION No. 100
Registrant: AtsushiNakamura (Life Sci.Inst..Mitsui Toatsu Chem. Inc.
               Mobara,Chiba. Japan). Hisashi Hirano (Natl. Inst. Agro-Biol.
               Resources, Tsukuba. Japan) and FurnioKikuchi (Tokyo
                University of Agriculture. Setagaya-ku. Tokyo, Japan)
Gene symbol: Glu-l
Gene name: Riceglutelin-1
Character expression: Rice seed protein glutelin alpha 5a and 5b subunits
Name of original line: Norin 29 (Glu-1 a: alpha 5b subunit)
             SC-TNI  (an isogenic line of sd-1)(GIu-1b:alpha 5b subunit)
Gene locus: Chromosome 1: 17.1% to sd-I
Remark: Data on F2 segregations and linkage relation with sd-I and
           sk-2 are reported.
Reference: Nakamura, A., S. Komatsu.B. S. Xia and H. Hirano 1995.
                  Breeding Science 45:185-188.
GENE SYMBOL REGISTRATION No. 101
Registrant: Yoshio Sano (Fac.Agr. Hokkaido University. Sapporo. Japan)
Gene symbol: S-12(t)
Gene name: Hybrid sterility-12
Character expression: Pollen-killing due to allelic interaction
Name of original line: Wl 169
Origin: Oryza glumaepatula
Remark: Near-isogenic line being developed by Y. Sano
            Data on segregations of F2 and backcross generations are
             reported.
Reference: Sano. Y. 1994. Breeding Science 44 (Suppl. 1 ): 298.
GENE SYMBOL REGISTRATION No. 102
Registrant: Yoshio Sano (Fac. Agr. Hokkaido University. Sapporo. Japan)
Gene symbol: S-13
Gene name: Hybrid sterility-13
Character expression: Pollen-killing due to allelic interaction
Name of original line: W1618
Origin: 0ryza longistaminata
Gene locus: Chromosome 1: tightly linked to A
Remark : Near-isogenic line being developed by Y. Sano

 
 
                      Data on segregations of F2 and backcross generations are
                            reported.
Reference: Sano,Y. 1994. Breeding Science 44 (Suppl. 1 ): 298.
GENE SYMBOL REGISTRATION No. 103
Registrant: Yoshio Sano (Fac.r. Hokkaido University, Sapporo. Japan)
Gene symbol: S-14(t)
Gene name: Hybrid sterility-14
Character expression: Pollen-killing due to allelic interaction
Name of original line: Kasalath
Origin: Indica type of Oryza sativa
Remark: Near-isogenic line being developed by Y. Sano
                        Data on segregations of F2 and backcross generations are
                     reported.
Reference: Sano, Y. 1994. Breeding Science 44 (Suppl. 1 ): 298.
GENE SYMBOL REGISTRATION No. 104
Registrant: Jianming Wan, Yoshiaki Yamaguchi,Hiroshi Kato and
                Hiroshi Ikehashi (Fac. Agr. Kyoto University. Kyoto. Japan)
Gene symbol: S-15
Gene name: Hybrid sterility-15
Character expression: Semi-sterility expressed as an allelic interaction such as
               S-15i/S-15 du. Segregation distortion in B1F1 due to the
                abortion of female gametes having S-15i
Name of original line: IR2061-628 (S-15'),Dular(S-15du) and KetanNangka (S-15n)
Gene locus: Chromosome 12: 11.2% to Pox-2
Remark: Data on F1 fertility, segregation distortion in F2 derived from
                       riple crosses and linkage analysis are reported.
Reference: Wan, J., Y. Yamaguchi, H. Kato and H. Ikehashi. 1994.
              Breeding Science 44 (Suppl. 1 ): 216.
GENE SYMBOL REGISTRATION No. 105
Registrant: Jianming Wan, Hiroshi Kato and Hiroshi Ikehashi (Fac. Agr.
                 Kyoto University, Kyoto, Japan)
Gene symbol: S-16
Gene name: Hybrid sterility-16
Character expression: Semi-sterility expressed as an allelic interaction such as
                 S-16i/S-16 kn. Segregation distortion in B1F1 due to the
               abortion of female gametes having S-16j
Name of original line: Fengjingdo(S-16j), Ketan Nangka (S-16 kn)  and Akihikari,
                   Dular (S-16n)
Gene locus: Chromosome 1 ',21.1 % to Est-5

 
 
 
 
Remark: Data on F1 fertility, segregation distortion in F2 derived from
               triple crosses and linkage analysis are reported.
Reference: Wan, J., H.Kato and H.Ikehashi. 1994. Breeding Science 44
                    Suppl. 2): 184.
GENE SYMBOL REGISTRATION No. 106
Registrant: Kuo-Hai Tsai (Agronomy Dept. National Chung-Hsing Uni-
                    versity, Taichung. Taiwan, ROC)
Gene symbol: ef-2(t)
Gene name: late heading-2
Character expression: 14 days later heading than the original strain. Taichung 65
                           (T65)
Name of original line: T65(5)1f-7
Origin: Mutant obtained from X-rayed seeds of T65
Remark: Independent of Ef-l. Data on F2 segregation are reported.
Reference: Tsai. K. H. 1986. Rice Genetics: 339-349.
GENE SYMBOL REGISTRATION No. 107
Registrant: Kuo-Hai Tsai (Agronomy Dept. National Chung-Hsing Uni-
                versity, Taichung, Taiwan. ROC)
Gene symbol: ef-3(t)
Gene name: late heading-3
Character expression: 10 days later heading than T65
Name of original line: T65(3)221L or T65(3)lf-2
Origin: Derived from T65 XInakupa (Philippines, Japonica)
Remark: Data on allelism test and F2 segregation are reported.
Reference: Tsai, K. H. 1986. RGN 3: 71-73.
GENE SYMBOL REGISTRATION No. 108
Registrant: Kuo-Hai Tsai (Agronomy Dept. National Chung-Hsing Uni-
                  versity, Taichung. Taiwan. ROC)
Gene symbol: ef-4(t)
Gene name: late heading-4
Character expression: 10 days later heading than T65
Name of original line: T65(2)TK45L or T65(2)lf-3
Origin: Derived from a cross T65 and Nantsao 33 (Chinese Indica)
Remark: Independent of both ef-2(t) and ef-3(t). Data on allelism test
       and F2 segregation are reported.
Reference: Tsai, K. H. 1986. Rice Genetics 11:211-215.
GENE SYMBOL REGISTRATION No. 109
Registrant: Kuo-Hai Tsai (Agronomy Dept. National Chung-Hsing Uni-

 
 
versity,Taichung. Taiwan, ROC)
Gene symbol: sd-8(t)
Gene name: semidwarf-8
Character expression: 15- 19cm shorter than T65
Name of original line: AB-60e'-3
Origin: A progeny derived from one of the early-heading offtypes
produced from a cross between T65-like lines.
Remark: Independent of both sd-I and sd-7. Data on F2 segregations
with sd-I and sd-7 are reported.
Reference: Tsai.K.H. 1994. RGN 11: 80-83.
GENE SYMBOL REGISTRATION No.l 10
Registrant: Kuo-HaiTsai (Agronomy Dept. National Chung-Hsing Uni-
versity, Taichung, Taiwan, ROC)
Gene symbol: Ac-ef-I
Gene name: Acceleration of heading (ef-I)
Character expression: Few days earlier heading than ef-Iline when Ac-ef-I is
combined with ef-I.
Name of original line: T65-R (Donated from U. of Ryukyus)
Origin: T65-T (preserved in Taiwan. T65-R is a few days earlier than
T65-T)
Remark: Data on F2 segregation are reported.
Reference: Tsai, K. H. 1993. RGN 10: 83-85.
GENE SYMBOL REGISTRATION No.l 1 1
Registrant: Kuo-Hai Tsai (Agronomy Dept. National Chung-Hsing Uni-
versity. Taichung, Taiwan. ROC)
Gene symbol: se-6{t)
Gene name: photosensitivity-6
Character expression: Recessive gene for photoperiod sensitivity
Name of original line: W1623L (Taiwan wild rice)
Origin: Derived from T65X W1623
Remark: Data on F2 segregation are reported.
Reference: Tsai, K. H. 1995. Jpn.J. Genet. 70: 555-562.
GENE SYMBOL REGISTRATION No.l 12
Registrant: Kuo-Hai Tsai (Agronomy Dept. National Chung-Hsing Uni-
versity, Taichung, Taiwan, ROC)
Gene symbol: s-7(t)
Gene name: photosensitivity-7
Character expression: Recessive gene for photoperiod sensitivity
Name of original line: Data on F2 segregation are reported.

 

Rice Genetics Newsletter Vol. 12

Derived from T65 X W593

Data on F2 segregation are reported.

Tsai,K.H. 1995. Jpn.J. Genet. 70: 555-562.