A. NOTICE AND ANNOUCEMENT   Vol. 1 A. NOTICE AND ANNOUCEMENT 1. The Aim and Scope of the Rice Genetics Newsletter The general aim of this Newsletter....     is to promote cooperation and exchange of information and material among rice geneticists. Emphasis will be laid on standardization of gene symbols and presentation of current linkage maps, in addition....     to reporting new findings in the genetic study of rice. Each issue will contain A) Special notices, B) Current linkage maps, C) List of genes and genetic stocks, D) List of recent publications, E

B. CURRENT LINKAGE MAPS   Vol. 1 B. CURRENT LINKAGE MAPS A new linkage map of rice based on latest available information is presented in Fig. 1....    , with a list of genes of each linkage group. In the review of rice genetics by Yamaguchi (1927), only four linkage groups, each consisting of two genes, were reported. Jodon (1948) reported on eight....     linkage groups involving nearly 50 genes. Since then, information on the location of different genes has accumulated in both the Indica and Japonica rices. In 1963, Nagao and Takahashi first proposed

Table of Contents Vol. 1 Rice Genetics Newsletter, Vol. 1 Table of Contents   Dedication....     ............... i Foreword (T. Matsuo) ............... iv Message (M. S. Swaminathan) ............... vi A. Notice....     and announcement 1. The aim and scope of the Rice Genetics Newsletter ............... 1 2. Announcement: The International Rice Genetics Symposium ............... 1 3. Proposal

  Vol. 1 1. Genes for coloration ============================================================================== Gene Character Linkage* Chro....    - Strain Reference symbol group mosome (Institution) ============================================================================== AS Anthocyanin activator III....     3 I-33 66,157,172, (purple apiculus in Surjamukhi(HK) 248,276,280 AE the complementary E 44 action with C and P

  Vol. 1 11. Fungal and bacterial disearses resistance ============================================================================== Gene Character....     Linkage* Chro- Strain Reference symbol group mosome (Institution) ============================================================================== Ce Narrow....     leaf spot Blue Rose 41, 85,91, resistance C.I.3794 220,221 He Helminthosporium leaf he:Kattorube

C. LIST OF GENES AND GENETIC STOCKS   Vol. 1 C. LIST OF GENES AND GENETIC STOCKS This list was compiled on the basis of survey made by several rice....     geneticists in Japan and information obtained from the International Rice Research Institute, Los Banos and National Chung Hsing University, Taichung. Therefore, the list is incomplete, and we hope more....     complete lists will be presented in the 2nd and later issues of RGN. The institutions maintaining the listed stocks are shown by codes which are explained below. The genetic stocks listed

  Vol. 1 10. Cytoplasmic male sterility ============================================================================== Gene Character Linkage....    * Chro- Strain Reference symbol group mosome (Institution) ============================================================================== [ms-bo] 'Chinsurah boro....     II' Chinsurah boro II 257,258, cytoplasm (RV) 259 [ms-ld] 'Lead rice' cytoplasm Lead rice(NA

  Vol. 1 12. Virus and mycoplasma disease resistance ============================================================================== Gene Character....     Linkage* Chro- Strain Reference symbol group mosome (Institution) ============================================================================== Bsv(Bs) Black....     streaked dwarf Te-tep(CA) 161,299 resistance Gsv(Gs) Gray stunt resistance O. nivara, IR 107,272

  Vol. 1 asasaB. CURRENT LINKAGE MAPS A new linkage map of rice based on latest available information is presented in Fig. 1, with a list of genes of each....     linkage group. In the review of rice genetics by Yamaguchi (1927), only four linkage groups, each consisting of two genes, were reported. Jodon (1948) reported on eight linkage groups involving....     nearly 50 genes. Since then, information on the location of different genes has accumulated in both the Indica and Japonica rices. In 1963, Nagao and Takahashi first proposed twelve linkage groups

Rice Genetics Newsletter, Vol. 24 1. Restoration of pollen and spikelet fertility in Swarna x O. nivara backcross derivatives   B. P. M. SWAMY, K. KALADHAR....    , N. SARLA, M. S. RAMESHA, N. S. RANI and B. C. VIRAKTAMATH Directorate of Rice Research, Rajendranagar, Hyderabad 500030 India * nsarla@drricar.org

  Vol. 1 6. Leaf and culm ============================================================================== Gene Character Linkage* Chro- Strain....     Reference symbol group mosome (Institution) ============================================================================== bc-1 brittle culm-1 XI 5 H-9(HK....    ), HO 702 67,94, Kamairazu(KY) 172 bc-2 brittle culm-2 M-5 Norin 287

  Vol. 1 3. Dwarfness ============================================================================== Gene Character Linkage* Chro- Strain....     Reference symbol group mosome (Institution) ============================================================================== d-1 daikoku dwarf VI+IX 2 A-23....     Daikoku 2,66, (small round (HK), HO 532 166,172 grain) Daikoku(KY) d-2 ebisu dwarf II

  Vol. 1 4. Spikelet or grain ============================================================================== Gene Character Linkage* Chro....    - Strain Reference symbol group mosome (Institution) ============================================================================== alk alkali degeneration I....     6 most of japonica 140 (treated with 1.7% KOH) ============================================================================= An-1 Awn-1-3 II

  Vol. 1 8. Sterility ============================================================================== Gene Character Linkage* Chro- Strain....     Reference symbol group mosome (Institution) ============================================================================== as asynapsis....     102,103, 189 cps compact panicle N-22 Mitsuryu- 166,281 sterile

  Vol. 1 2. Chlorophyll aberration ============================================================================== Gene Character Linkage* Chro....    - Strain Reference symbol group mosome (Institution) ============================================================================== al-1 albino-1 I....     6 Al 9 Norin 72 (al-K-1) 8 muant(KY) al-2 albino-2 VI+IX 2 Al 12 do. 72 (al-K-2

  Vol. 1 14. Isozymes ============================================================================== Gene Character Linkage* Chro- Strain....     Reference symbol group mosome (Institution) ============================================================================== Acp-1-17 Acid phosphatasa-1 AMC W1236....    (GI) 29,30, (Acp-B) band-group((-17mm) 207,209, 227,243 Acp-1-9 do.(-9mm

  Vol. 1 5. Panicle ============================================================================== Gene Character Linkage* Chro- Strain....     Reference symbol group mosome (Institution) ============================================================================== Bp Burlush-like panicle VII 1 HO 551....     68 Mansakuhen(KY) Cl Clusterd spikelets I 6 L-16 Clustered(HK) 67,88

  Vol. 1 13. Insect resistance ============================================================================== Gene Character Linkage* Chro....    - Strain Reference symbol group mosome (Institution) ============================================================================== Bph-1 Brown planthopper....     II 11 Saikai PL 3,4 7,58, resistance-1 (KA) IR1539-823 59,263 (IR) bph-2 brown

  Vol. 1 7. Heading date ============================================================================== Gene Character Linkage* Chro- Strain....     Reference symbol group mosome (Institution) ============================================================================== E-1 Late heading-1 EG....     1,4,6,7(KT) 106,201, 273,274 E-2 Late heading-2 EG 2,4,5,7(KT) 106,274 E-3 Late

D. LIST OF PUBLICATIONS   Vol. 1 D. LIST OF PUBLICATIONS 1. Genic analysis (*Linkage map presented) 1. Adachi, T. 1935. Dwarfness and leafy head newly....     found in rice. Agric. & Hort. 10: 1048-1050. (in Japanese) 2. Akemine, M. 1925. On the inheritance of dwarf habits in rice. Proc. Japan. Assoc. Adv.Sci. 1: 308-314. 3. Amemiya, A. and H....    . Akemine 1963. Biochemical genetic studies on the root growth inhibiting complementary lethal genes on rice plant. Bull. Nat. Inst. Agr. Sci. Ser. D 10: 139-226. 4. Angeles, R. R., G. S. Khush

2. Publications on Rice Genetics, 1981-1984   Vol. 1 2. Publications on Rice Genetics, 1981-1984 (not including papers on genic analysis) 1. Acharya, S....    . and K. D. Sharma 1983. Genetics of cold tolerance at rice reproductive stage. Int. Rice Res. Newsl. 8: 10-11. 2. Ahn, S. W. and S. H. Ou 1982. Quantitative resistance of rice to blast disease....    . Phytopathology 72: 279-282. 3. Ahuja, S. C., S. S. Malik, U. S. Ahuja and C. V. S. Malik 1981. Varietal response to bacterial blight and stem rot under artificial epiphytotic conditions. Int. Rice Res

  Vol. 1 F. Mailing List Afghanistan Mishra, R. N. ITEC Expert, Embassy of India Kabul Africa Abifarin, A. O. WARDA P.O. BOX 1019, Monrovia, Liberia....     Bezanqon, Gilles Laboratoire, de Genetique, ORSTOM BP V51, Abidjan, Ivory Coast Charrier, Andre Laboratoire de Genetique, ORSTOM BP V51, Abidian, Ivory Coast Choudhury, M. A. WARDA BP 2551, Bouake....    , Ivory Coast Ghesquiere, Alain Laboratoire de Genetique, ORSTOM BP V51, Abidjan, Ivory Coast Gibbons, James IITA PMB 5320, Ibadan, Nigeria Goli, Koffi IDESSA BP 635, Bouake, Ivory Coast Jones

List of isogenic lines   Vol. 1 List of isogenic lines 1. Isogenic lines of `Shiokari' for dwarf genes....     ============================================================================== Gene Name of dwarf Linkage Chromo- Strain and Dwarf symbol groups some backcrosses donor....     ============================================================================== d-1 daikoku dwarf VI+IX 2 ID-1,B11 H-86(HK) d-2 ebisu dwarf II 11 ID-2,B9 H-85(HK) d-3,4,5 bunketsu-waito dwarf II,I,X 11,6,8

DEDICATION   Vol. 1 DEDICATION The first volume of the Rice Genetics Newsletter is dedicated to: the late Dr. T. Morinaga, Dr. K. Ramiah, Dr. N. E. Jodon....    , and Dr. S. Nagao T. Morinaga K. Ramiah N. E. Jodon S. Nagao The late Dr. T. Morinaga Toshitaro Morinaga was born on September 13, 1985 at Uozu....    , Toyama, Japan, and graduated from the College of Agriculture, Tokyo Imperial University in 1919. He was an outstanding geneti cist and plant breeder who made major contributions to our

FOREWORD   Vol. 1 FOREWORD The standardization of gene symbols for rice was first proposed by Dr. K. Ramiah during the World War II. The sixth meeting....     of the International Rice Commission (IRC), held in 1955, strongly recommended standardizing gene symbols and appointed a committee consisting of Mr. N. E. Jodon, Dr. N. Parthasarathy, and Dr. S. Nagao....     to formulate rules for gene symbolization in rice. Later, the 10th International Congress of Genetics held in 1958 at Montreal, Canada published the Report of the International Committe on Gene Symbols

  Vol. 1 List of translocation lines ============================================================================== Inter- Strain No. Institu- Source....     Reference changed tion chromosome ============================================================================== 1 - 2 RT1 KY Okute-Asashi. X-15 190....     " RT1-2, T65 RY " 1 - 3a RT2 KY Norin 8. 1-15.0 190 " RT1-3a, T65 RY " 1 - 3b RT3 KY Norin8. 1581

  Vol. 1 List of primary trisomics ==================================================================== Extra Type Name Strain....     Original Chro- cultivar mosome ==================================================================== 1 H Large grain T15, T16....     Asakaze NT8314, NT8315 Nipponbare KT8301 Kinmaze 2 L Short panicle T23 Norin 8

  Vol. 1 9. Gametophyte genes (Low fertilization capacity of male gametes) ============================================================================== Gene....     Character Linkage* Chro- Strain Reference symbol group mosome (Institution....    ) ============================================================================== ga-1 gametophyte gene-1 I 6 Atomic bombed 75 rice(KY) ga-2 gametophyte gene-2 XI 6 Most of japonica

3. Semidwarfing genes in rice germplasm collection   Vol. 1 3. Semidwarfing genes in rice germplasm collection T. T. CHANG, Carina ZURO, Angelita....     MARCIANO-ROMENA and Genoveva C. LORESTO International Rice Research Institute, P.O. Box 933, Manila, Philippines A single recessive gene (sd1) from 3 independent Chinese sources-Dee-geo-woo-gen....    , Ai-jiao-nan-te and Ai-zai-zhan, has led to the development of semidwarf rice varieties in Taiwan and mainland China, several Asian Countries, and at IRRI. This gene has lent great impetus to rice production

2. Semidwarfing genes of high-yielding rice varieties in Japan   Vol. 1 2. Semidwarfing genes of high-yielding rice varieties in Japan Fumio KIKUCHI1....     and Hiroshi IKEHASHI2 1) Institute of Agriculture and Forestry, University of Tsukuba, Sakura-mura, lbaraki, 305, and 2) Okinawa Branch, Tropical Agriculture Research Center, Ishigaki, Okinawa....    , 907-01 Japan Two distinct sources of semidwarfism have contributed to a break-through in the yield level of rice in 1960's in Japan. They are Reimei, a mutant induced from Fujiminori in northern

4. Establishment of differential varieties for pathogenicity test of rice blast fungus   Vol. 1 4. Establishment of differential varieties for pathogenicity....     test of rice blast fungus Shigehisa KIYOSAWA National Institute of Agrobiological Resources, Yatabe, Tsukuba, Ibaraki, 305 Japan Varieties with different single resistance genes are ideal....     differential varieties for pathogenicity test of the pathogen (Flor 1945). In Japan, the first differential varieties for rice blast were chosen by Goto and co-workers (1961, 1964). Yamasaki and Kiyosawa

7. Genic analysis for resistance to brown planthoppers in rice   Vol. 1 7. Genic analysis for resistance to brown planthoppers in rice Ryoichi IKEDA1....     and Chukichi KANEDA2 1) Tohoku Natl. Agric. Exp. Station, Omagari, Akita, 014-01, and 2) Agric. Fores. Fish. Res. Council Secretary, MAFF, 1-2-1 Kasumigaseki, Chiyoda-ku, Tokyo, 100 Japan....     The brown planthopper, Nilaparvata lugens Stal. (abbr. BPH), is one of most serious pests of rice throughout Asia. The inheritance of BPH resistance has been investigated by many workers since Athwal et

8. Heading-time genes of rice, E1, E2 and E3   Vol. 1 8. Heading-time genes of rice, E1, E2 and E3 H.YAMAGATA Faculty of Agriculture, Kyoto University....    , Kitashirakawa, Sakyo-ku, Kyoto, 606 Japan The three heading-time genes, E1, E2, and E3, independent of one another and delaying the heading time of rice, were detected 30 years ago through....     the intercrosses among three varieties, Gimbozu, Aikoku and Kyotoasahi (Syakudo et al. 1954; Kawase 1961). From those varieties and intercrosses, seven lines possessing different genotypes for the three

1. Induced semidwarf mutants   Vol. 1 1. Induced semidwarf mutants J. Neil RUTGER U.S.D.A. Agric. Research Service and Agronomy and Range Science....     Department, University of California, Davis, CA 95616, U.S.A. In the last 14 years several semidwarf mutants have been induced in rice cultivars in California. The most useful mutant was released....     in 1976 as the semidwarf cultivar Calrose 76. It originated as a single gene semidwarf mutant from the very well-adapted tall cultivar Calrose. Genetic studies showed that Calrose 76 possessed

5. Multiple alleles at the Xa-1 and Xa-kg loci for resistance to bacterial leaf blight   Vol. 1 5. Multiple alleles at the Xa-1 and Xa-kg loci for resistance....     to bacterial leaf blight Toshiaki YAMADA National Agric. Research Center, Yatabe, Tsukuba, lbaraki, 305 Japan The mode of resistance and allelic relationships of genes for the resistance....     to bacterial leaf blight, caused by Xanthomonas campestris pv. Oryzae (Ishiyama 1922) Dye 1978, were investigated in a Japanese (Kogyoku) and three IRRI varieties (IR28, IR29 and IR30). The IRRI varieties

10. Genetics of fertility restoration and biochemical basis of male sterility-fertility restoration system in rice   Vol. 1 10. Genetics of fertility restoration....     and biochemical basis of male sterility-fertility restoration system in rice K. Govinda RAJ1 and E. A. SIDDIQ2 1) Plant Breeding Dept., International Rice Research Institute, P.O. Box 933 Manila....    , Philippines, and 2) Agricultual Research Centre, Saka, Kufr-El Sheikh, Egypt Inheritance of fertility restoration was studied in F2's of ten crosses of the Chinese male sterile lines, viz., Zhen Shan

6. Chromosomal location of Xa4 gene   Vol. 1 6. Chromosomal location of Xa4 gene S. C. SUR and G. S. KHUSH International Rice Research Institute, P.O....    . Box 933, Manila, Philippines A dominant gene for resistance to bacterial blight of rice was identified by Petpisit et al. (1977) and it was designated Xa4. This gene gives resistance....     to bacterial blight at all stages of plant growth and has been widely used in the breedling program (Khush 1981). In fact all the bacterial blight resistant IR varieties are homozygous for Xa4

12. Geographical distribution of the genes for black hull coloration   Vol. 1 12. Geographical distribution of the genes for black hull coloration Masahiko....     MAEKAWA Experimental Farm, Faculty of Agriculture, Hokkaido University, Sapporo, 060 Japan The F1 plants of crosses between distantly related rice varieties, as well as the wild relatives....     of cultivated rice, often show black hull coloration. It was reported that the black hull coloration was controlled by one dominant gene (Kuang et al. 1946; Jodon 1964), or two complementary genes (Chao

13. The genetic basis of hybrid chlorosis found in a cross between two Japanese native cultivars   Vol. 1 13. The genetic basis of hybrid chlorosis found....     in a cross between two Japanese native cultivars Y. I. SATO1, S. MATSUURA2 and K. HAYASHI2 1) National Institute of Genetics, Misima, 411 Japan and 2) Faculty of Agriculture, Kochi University....    , Nankoku, Kochi, 783 Japan We incidentally found a case of hybrid chlorosis in the F2 population of a cross between two Japanese native cultivars, J-147 and J-321. Its first symptom was a change

18. Linkage relationship of long palea in rice   Vol. 1 18. Linkage relationship of long palea in rice R.THAKUR Rajendra Agricultural University, Bihar....     Agric. College, Sabour, Bhagalpur, India Rao and Misro (1968) reported a floral variant of rice, long palea, where palea invariably outgrows the lemma. It was found to be due to dominant....     complementary genes. The second report on the occurrence of long palea was by the author (Thakur 1971). In an F2 of a cross between two normal palea varieties, Ac 1224 and 7107 (a marker type, received from

17. Inheritance of reduced culm number type and its character expression   Vol. 1 17. Inheritance of reduced culm number type and its character expression....     Toshiro KINOSHITA Plant Breeding Institute, Faculty of Agriculture, Hokkaido University, Sapporo, 060 Japan A mutant with a reduced culm number was found in the progenies of AC-11 (strain....     regenerated from A-5 Akamuro by anther culture) irradiated by gamma rays. In the F2 population of its cross with the original strain, A-5 Akamuro, it was demonstrated that a single recessive gene, rcn

9. Inheritance of fertility restoration in a rice cross   Vol. 1 9. Inheritance of fertility restoration in a rice cross J.B. YOUNG1 and S.S. VIRMANI2....     1) Rice and Wheat Institute, Fujian Academy of Agric. Sciences, Fuzhow, Fujian Province, Peoples Republic of China and 2) Intenational Rice Research Institute, P.O. Box 933, Manila....    , Philippines IR54, a rice variety developed at IRRI and released in 1980, was identified as an effective restorer of cytoplasmic genetic male sterile lines (viz., Zhen Shan 97A, V20A, V41A) possessing

15. A. "Fish-hook" mutation in rice   Vol. 1 15. A. "Fish-hook" mutation in rice Nelson E. JODON Rice Research Station, Crowley, Louisiana 70527-1429....    , U.S.A. A striking recurved and sharply pointed modification of the lemma appeared uniformly in an F5 dwarf line. "Hooked", "parrot beaked" and "claw shaped" lemmas have been reported, but this....     is perhaps more extreme. The lemma tips will hook into clothing and support an entire panicle. This mutation could function for seed dispersal in wild rice. It would be a useful genetic marker

11. A probable new male sterile line with cytoplasm from a Boro rice of Uttar Pradesh, India   Vol. 1 11. A probable new male sterile line with cytoplasm from....     a Boro rice of Uttar Pradesh, India R. C. CHAUDHARY and V. N. SAHAI Rejendra Agricultural University, Agric, Research Institute, Mithapur, Patna, India In search of the alternative sources....     of sterile cytoplasm, 51 direct and reciprocal crosses were made at IRRI with 16 advanced breeding lines of IRRI and 23 indical/japaonica derivatives from Korean rice breeding program in 1980. Most

16. A big-grain gene, Lk-f, found in a Japanese local variety "Fusayoshi" and its character expression   Vol. 1 16. A big-grain gene, Lk-f, found in a Japanese....     local variety "Fusayoshi" and its character expression Kazuyoshi TAKEDA Institue for Agricultural and Biological Sciences, Okayama University, Kurashiki, 710 Japan The grain size of rice....     is usually controlled by polygenes. As an exceptional case, a major gene controlling spikelet length was found in Japanese native variety, Fusayoshi. This variety had a kernel (brown rice) length

14. Inheritance of two anatomical characteristics   Vol. 1 14. Inheritance of two anatomical characteristics M. SETHI and J. K. ROY1 Central Rice....     Research Institute, Cuttack, Orissa, 753006, India An extra sclerenchymatous band is found in the stem of some special rice varietites but not in others. Two rice varieties FR13A and Intan have....     such bands. Its occurrence was investigated in four crosses between varieties having the band and those lacking the band (Ratna, Jana, CRM 13 named 'Sattari'). The main stems from five F1 and 100 F2

25. Unusual segregation patterns found at the m-Ef locus   Vol. 1 25. Unusual segregation patterns found at the m-Ef locus Kuo-Hai TSAI Department....     of Agronomy, National Chung Hsing University, Taichung, Taiwan 400, ROC An early flowering isogenic line of T65 (Taichung 65) with gene Ef-1a (formerly symbolized Ea, a hereinafter abbreviated as Ea....    ), T65(7)Ea, was obtained from recurrent backrosses (7 times) of T65 with a native variety from northern China, Tatung-tsailai, used as the donor parent (Tsai 1961; Tsai and Oka 1965). Three isogenic

22. Mutant genes controlling starch synthesis in rice endosperms   Vol. 1 22. Mutant genes controlling starch synthesis in rice endosperms Kazutoshi OKUNO1....     and Masahiro YANO2 1) Hokuriku Natl. Agric. Exp. Station, Joetsu, Niigata, 943-01, and 2) Faculty of Agriculture, Kyushu University, Hakozaki, Fukuoka, 812 Japan Starch is generally composed....     of two kinds of polysaccaride, amylose and amylopectin. In rice, genes controlling the proportion of amylose to amylopectin have not been identified although the wx is known to suppress amylose

23.Endosperm mutants of rice induced by N-methyl-N-nitrosourea treatment of fertilized egg cells   Vol. 1 23.Endosperm mutants of rice induced....     by N-methyl-N-nitrosourea treatment of fertilized egg cells Hikaru SATOH, Masahiro YANO and Takeshi OMURA Plant Breeding Laboratory, Faculty of Agriculture, Kyushu University, Hakozaki, Fukuoka, 812 Japan....     Several kinds of induced mutants for embryo or endosperm properties have been reported in rice recentry (Toda 1979; Amano 1981; Satoh and Omura 1981; Okuno et al. 1983; Yano et al. 1984). We maintain

21. Search for new g loci unfruitful   Vol. 1 21. Search for new g loci unfruitful Gurdev S. KHUSH and A. L. LIBROJO International Rice Research....     Institiute, P.O. Box 933, Manila, Philippines The recessive mutant g of rice, which conditions long empty glumes instead of rudimentary glumes of the grain, is a very useful marker of linkage....     group IV. Many rice varieties in our germplasm bank have long empty glumes. In search of new loci, conditioning long empty glumes, we studied the allelic relationships of the genes for long glumes