A.
Report of the Committee on Gene Symbolization, Nomenclature and Linkage Groups
 
A. YOSHIMURA and Y. NAGATO
1) Faculty of Agriculture, Kyushu University, Fukuoka, 812-8581 Japan
2) Graduate School of Agricultural and Life sciences, University of Tokyo, Tokyo, 113-8657 Japan

I.
Registration of new gene symbols

The following genes are newly registered:


GENE SYMBOL REGISTRATION No. 151

Registrant:
Jie-Yun Zhuang and Kang-Le Zheng (National Center for Rice Improvement, China National Rice Research Institute, Hangzhou 310006, China)
Gene symbol:
Pi24(t)
Gene name:
Blast resistance 24(t)
Character expression:
Resistant to blast isolate 92-183 (race ZC15) at the vegetative stage only
Name of original line:
Zhong 156
Reference:
Zhuang J.-Y. et al (2002) Euphytica (in press).
Zhuang J.-Y. et al (2001) RGN 18: 69-70.
Zheng K.-L. et al (2000) Advances in Rice Blast Research (Tharreau et al eds), Kluwer Academic Publishers, pp 28-33.
Zhuang J.-Y. et al (1998) RGN 15: 125-127.
Zhuang J.-Y. et al (1997) RGN 14: 62-64.

GENE SYMBOL REGISTRATION No. 152

Registrant:
Jie-Yun Zhuang and Kang-Le Zheng (National Center for Rice Improvement, China National Rice Research Institute, Hangzhou 310006, China)
Gene symbol:
Pi25(t)
Gene name:
Blast resistance 25(t)
Character expression:
Resistant to blast isolate 92-183 (race ZC15) at both the vegetative and reproductive stages
Name of original line:
Gumei 2
Reference:
Zhuang J.-Y. et al (2002) Euphytica (in press).
Zhuang J.-Y. et al (2001) RGN, 18: 69-70.
Wu J.-L. et al (2000) Acta Phytopathologia Sinica 30(2): 111-115 (in Chinese with English abstract).
Zheng K.-L. et al (2000) Advances in Rice Blast Research (Tharreau et al eds), Kluwer Academic Publishers, pp 28-33.
Wu J.-L et al (1999) RGN 16: 90-92.
Zhuang J.-Y. et al (1998) RGN 15: 125-127.
Zhuang J.-Y. et al (1998) RGN 14: 62-64.

GENE SYMBOL REGISTRATION No. 153

Registrant:
Hidetaka Nishida, Hiromo Inoue, Yutaka Okumoto and Takatoshi Tanisaka (Grad. Sch. Agr., Kyoto University, Kyoto Japan)
Gene symbol:
elf1-h
Gene name:
earliness 1-h
Character expression:
A nonfunctional allele at the Ef1 locus, conferring an extremely long basic vegetative growth period without the aid of Se1-e.
Name of original line: HS169 (a mutant line induced with gamma ray irradiation to seeds of Gimbozu)
Gene locus:
Ef1 on chromosome 10
Remark:
Data on the segregation in F2 and F3 generations and photoperiodic response are reported.
Reference:
Nishida, H. et al. (2002) Crop Sci. 42: 348-354.

GENE SYMBOL REGISTRATION No. 154

Registrant:
Kuo-Hai Tsai (Agronomy Dep., National Chung Hsing University, Taichung, Taiwan, R.O.C.)
Gene symbol:
wEf
Gene name:
weakening early heading of Ef1
Character expression:
When wEf1 was combined with Ef1, plants headed a few days later than Ef1 alone.
Name of original line:
B967 (7 times of backcrosses), derived from a backcross of Taichung 65 (recurrent parent) and Bozu 5 from Hokkaido, Japan (Ef1 carrying donor).
Gene locus:
Based on progeny test, wEf1 appeared to be closely linked to Ef1 on chromosome 10.
Remark:
Data on progeny lines of B967 (7 times of backcrosses) and B9620 (20 times backcrosses) are reported.
Reference:
Tsai, K. H. (1966) RGN13: 78-80.