Volume 25 (May 1998)

Table of Contents

Foreword…………………………….........................................……………………………...1

World Soybean Research Conference VI Announcement……………………………… ………2
USDA Soybean Germplasm Collection Report………………………………………………… 3
Soybean Crop Germplasm Committee Meeting…………………………………………………5
Soybean Crop Germplasm Committee Members………………………………………………..7
Soybean Genetics Committee Report…………………………………………………………  10
Guidelines on  the Evidence Necessary for the Assignment of Gene Symbols…………………....13
Rules for genetic symbols………………………………………..……………………………...15
Application for Entry into the Soybean Genetic Type Collection…………………………….….. 19

Argentina
Frequency of recombination of loci L1 and L2 that encode for presence of lipoxygenase enzymes
        in soybean seeds. R. Carbone, J. Luquez, M.E. Weilenmann de Tau, J.C.Suarez…..............20

Brazil
Use of pod width as visual score in substitution of one hundred seed weight on vegetable soybean.
        G. K.Yokomizo, and N. A. Vello ....................................................................................... 21

Canada
Genetics of leaf waviness in soybean. R. I. Buzzell, B. R. Buttery…………….........................  23

Inheritance of autoregulation mutants in Elgin 87 soybean resulting in supernodulation
        phenotype. B. R. Buttery and R. I .Buzzell……………………………………..................  25
 

The People's Republic Of China
A codominant SCAR marker linked to SMV resistance gene
        Rsa. Zhiyong Zhang, Shouyi Chen, Junyi Gai……...............................................................27

A preliminary study on mutation site of a new electrophoretic variant of SBTi-A2
        from soybean seed storage protein. Yan Qingyan, Cao Kaiming,
        Huang Weida, Zhao Shuwen, GuQimin ...............................................................................29

A RAPD Marker linked to the salt tolerant gene in soybean. Pei Guo, Guihua Shuao,
        Ruzhen Chang, Zhanyou Xu, Xianghua Li, Jianying Sun, LijuanQiu…...................................  30

A study on RAPD markers of genes resistant  vs. susceptible to SCN race1 in soybean.
        Yongjun Wang, Han Xing, Junyi Gai, Zhiyong Zhang, Shouyi Chen………………………...32

A virescent mutant controlled by a recessive nuclear gene. Tuanjie Zhao, Junyi Gai,
        Zhanglin Cui, Dongfeng Ji, Zhenjing Ren………………………………..............................33

Development and cytological features of the cytoplasmic-nuclear male sterile soybean line
        NJCMS1A. Derong Ding, Zhanglin Cui, Junyi Gai………………………........................  34

Evaluation of methods for seed size in interspecific crossing of soybeans.
        Li Xinhai, Wang Jinling, Yang Qingkai .................................................................................36

Identification of RAPD markers linked to cercospora sojina race 7 resistance gene in
        soybean. Zou Jijun, Dong Wei, Yang Qingkai, Cao Yueping, Chen Shouyi…......................39

Inheritance of a recently discovered soybean virescent mutant "NJ93V". Qijian Song,
        Tianxia Wu, Minjun Wang, Junyi Gai………………………………………………….....   41

Inheritance of resistance of NEAU9674 torace 7 of cercospora sojina in soybeans in China.
        Zou Jijun, Yang Qingkai, Cao Yueping, Dong Wei, Chen Shouyi…………………….........  43

Inheritance of tofu output in the cross Guanyundaheidou X Liuhexiaoyeqing. Wang Mingjun,
        Song Qijian, Gai Junyi…………………………………………......................................... 44

Major plus minor gene mixed inheritance of resistance of soybeans to agromyzid beanfly
        (Melanagromyza sojae Zehntner). Junyi Gai, Jiankang Wang…………………….… ..........45

Post-flowering photoperiod response of soybean varieties with similar flowering dates and
        different maturity dates. Tinafu Han, Junyi Gai……………………………………..........   48

Preliminary identification of a RAPD marker linked to the null gene titi of
        kunitz trypsin inhibitor using near-isogenic lines. Tang HS, Wu SM,
        Jia SR, Qin SZ, Ding AL, Sun JM, Chang RZ, Qiu LJ..........................................................50

Screening for resistance to Phytophthora sojae. Zhu Zhendong, Wang Xiaoming……………... 52

Soybean performances in Xinjiang Autonomous Province of China -- A Promising New
        Soybean-Producing Region. Luo Gengtong, Wang Guirong, Zhan Yong, Li Yumen……......54

Studies on resistance mechanism of soybeans to leaf feeders. J. Gai, Z. Sun, and Z Cui…………..55

The comparison of resistance gene analogs from Kefeng No.1 and PI96983. Zhiyong Zhang,
        Shouyi Chen, Junyi Gai………………………………………………………………….. 57

Varietal differences of sprout characters of soybeans. Guodong Zhang, Sanwei Fan,
        Xiuhong Yang .....................................................................................................................59

Croatia
Biometrical analysis for grain yield of soybean genotypes I maturity group of
        the Osijek Agricultural Institute – Croatia. M. Vratari, A. Sudari, T. Duvnjak………….... 61

Czech
Study of soybean genome diversity by molecular genetic methods.  M. Baranek, M. Vachun,
        M.Kadlec, J. Letal………………………….................................................................... 63

France
Colchicine technique of chromosome doubling for soybean(Glycine max) and its
        wild relatives. First observations on agronomic characteristics on 'G. max' tetraploid
        plants. Pierre Roumet, Pascal Sartre, Véronique Viader .................................................  65

India
Correlation and Path Coefficient Analysis of Yield and its Components in Soybean
        (Glycine max L.  Merrill.). S. Shukla, K. Singh, Pushpendra…………………....................67

Evaluation of soybean germplasm for seed oil content. V.M. Raut, S. P. Taware,
        G.B. Halvankar……............................................................................................................71

Field weathering in soybean. P.G. Karmakar, S.M. Husain, P.S. Bhatnagar……………………...73

Genetic diversity among Indian soybean varieties. P.G. Karmakar, P.S. Bhatnagar,
        V.S. Bhatia, and O.P. Joshi…..............................................................................................74

Identification of bold seeded soybean genotypes with good seed longevity in segregating
        generations of crosses. Metroglyph and index score analysis in advanced breeding
        lines of soybean. Sanjay Chauhan,Pushpendra, and K.Singh………......................……….76

Metroglyph And Index Score Analysis In Advanced Breeding Lines Of Soybean.
        S. Chauhan, Pushpendra, K. Singh……………................................................................  77

Phenylalanine ammonialyase in shattering and shattering resistant genotypes of soybean.
        S. Mamta, M. Priti, V.S. Bhatia, and K.N. Guruprasad......................................................  80

Radiation induced variability for seed longevity in soybean variety NRC-7. S.M. Husain,
        P.S. Bhatnagar, P.G. Karmakar…………………………………………………….........83

Regulation of PAL activity and pod shattering in soybean varieties after treatment with
        t-cianamic acid and cobalt chloride. Priti Manglik, Bhatia V.S., Guruprasad K.N.…………84

Seed Size Parameters of Soybean Varieties of Commercial Importance. P.G. Karmakar,
        S.M. Husain, P.S. Bhatnagar……………………………………………………………… 86

Stability analysis of soybean varieties under different plant densities and growing conditions.
        S.P. Taware, G.B. Halvankar, V.M. Raut…………………………………………………88

Japan
A gene for insensitivity of flowering to incandescent long daylength (ILD) is located in
        the linkage group 4. Jun Abe, Kunihiko Komatsu, Yoshiya Shimamot………………………90

A new gene for insensitivity of flowering to incandescent long daylength (ILD). Jun Abe,
        Kunihiko Komatsu, Yoshiya Shimamoto……………………………………………….....92

Evolutionary relationships between changes in the mitochondrial and chloroplast
        genomes in the genus Glycine subgenus Soja. Akira Kanazawa, Azumi Tozuka,
        Jun Abe, Yoshiya Shimamoto................................................................................................93

Spontaneous mutation for late-flowering and its effect on the reproductive organs in
        Japanese soybean germplasm.  Y. Tanaka, R. G. Palmer…....................................................95
 
Pakistan
Genetic improvement of soybean through induced mutations. M. A. Rajput, G. Sarwar……….....  97
 
Slovakia
Changes in the soybean cotyledon storage proteins induced by the growth regulators
        during the dedifferentiation, E. Hlinkova….............................................................................99

The United States of America

Georgia
Variations between and within maturity groups of soybean genotypes for biomass,
        seed yield, and harvest index. M.S.S. Rao, A.S. Bhagsari……………………………..........103

Illinois
A modified procedure for mitotic chromosome count in soybean. S. J. Xu,
        R. J. Singh, T. Hymowitz……...............................................................................................107

A plant transformation ready bacterial artificial chromosome library for soybean:
        Applications in chromosome walking and genome wide physical mapping.
        Khalid Meksem, Hong-Bin Zhang, David A. Lightfoot….......................................................108

Apparent source of the Rj5 allele in soybean cultivars. J. E. Tharp, Jr, D. J. Thomas,
        C. D. Nickell, J. E. Harper ...................................................................................................112

Biosystematics of the genus Glycine, 1997. T. Hymowtiz, R. J. Singh, K. P. Kollipara……………114

Biotechnology approaches to improving resistance to SCN and SDS: Methods for
        high throughput marker assisted selection. Brook Bell-Johnson, Graeme Garvey,
        Janet Johnson, David Lightfoot, Khalid Meksem ..................................................................115

Correlation of emergence and canopy closure to yield in group IV soybean lines.
        Jeffrey M. Hegstad, Cecil D. Nickell……………………………………….........................118

Establishment of a cytogenetic map of soybean: Current status. S. J. Xu,
        R. J. Singh, T. Hymowitz……………...................................................................................120.

Genetic analysis of phytophthora rot resistance in the soybean PI 567.496. D. E. Kyle,
        C. D. Nickell……................................................................................................................123

Genetic analysis of tolerance to Phytophthora sojae in the soybean cultivar,
        Jack. D. E. Kyle, C. D. Nickell….........................................................................................124

Management of the USDA wild perennial Glycine collection, 1997. J. A. Burridge,
        T. Hymowitz………………….............................................................................................126

Plant exploration trip to Taiwan and the islet of Kinmen (Quemoy). Theodore Hymowitz……….....127

Segregation analysis of light pink flower x white flower F2 soybean populations.
        Jeffrey M. Hegstad, David C. Gay, Cecil D. Nickell………………………………………....128

Iowa
Allelism tests of mutants generated by instability at the k2 mdh1-n y20 chromosomal region.
        X. F. Chen, R. G. Palmer.......................................................................................................130

Construction of a soybean genomic & root cDNA library from Phytophthora resistant line
        L85-3044. Weiping Chen, Chuanfa Jie, Alan Atherly……………………………………….132

Further genetic characterization of a duplicate-factor male-sterile, female-sterile
        trait in soybean. Reid G. Palmer ............................................................................................136

Genetic linkage in soybean: Classical linkage groups 6 and 8. Reid G. Palmer, Xianfeng Chen……138

Genetic linkage in soybean: Classical linkage groups 6 and 8 and ‘Clark’ translocation.
        A. A. Mahama, Reid G. Palmer…………………………………………………................139

Genetic linkage in soybean: the Y23 and St5 loci. Reid G. Palmer, Xianfeng Chen,
        Kim S. Lewers…………….................................................................................................141

Inheritance and allelism of an EMS-generated necrotic root mutant. R. G. Palmer,
        Martin Wubben……………. ..............................................................................................142

Linkage analysis of a nonfluorescent root mutant (fr2) with five isozymes in soybean.
        Scott C. Johnson, Jeremiah J. Andersen, Reid G. Palmer…………………………………...144

Linkage Studies with Necrotic Root Mutants. M. Wubben, R. G. Palmer………………………....145

QTL in soyBase: A new perspective. Marcia Imsande, David Grant, Randy Shoemaker………….146

The effect of pre-selection on diversity detection in exotic germplasm. April D. Clikeman,
        Reid G. Palmer, Randy C. Shoemaker……………………………………………………....149

Minnesota
Evidence for microsynteny among homoeologous bacterial artificial chromosome
        clones of soybean. Dawn M. Foster-Hartnett, Dariush Danesh,
        Silvia Penuela, Karin Ped, Roxanne Denny, Nevin Dale Young…………...............................150

Protein kinases, nucleotide-binding sites and other resistance gene analogs near rhg 1, a
        major soybean cyst nematode resistance locus. Silvia Peñuela, Dariush Danesh,
        Dawn Foster-Hartnet, William P. Young, Virginia H. Coryell, Paul Keim, Nevin D. Young….152

Recombinant inbred populations from the crosses minsoy-archer and noir I-archer.
        J.H. Orf, L.M. Mansur, K.G. Lark………………………………………………………....154

Missouri
Genetic analysis of soybean cyst nematode resistance in PI 438489B. Pin Yue,
        D. A. Sleper, P. R. Arelli……...............................................................................................155

Genetic relationships among soybean plant introductions with resistance to Heterodera
        Glycines using RFLP's. Mingtang Xie, Prakash R. Arelli, David A. Sleper…………………...157

Virginia
Harvest Index as a Tool to Combine High Yield and High Protein Content in Soybean.
        H. L. Bhardwaj……….........................................................................................................160

Response of soybean breeding lines to corn earworm leaf damage.
        Tadesse Mebrahtu, Mark E. kraemer……............................................................................163


Back to Soybean Genetics Newsletter Search 

Back to Soybean Genetics Homepage