TABLE OF CONTENTS
Foreword .................................................................................................................................1
Soybean Genetics Committee Report ........................................................................................2
USDA Northern Soybean Germplasm Collection Report. R. L. Nelson and C. J. Coble..............6
USDA Southern Soybean Germplasm Collection Report. C.J. Edwards and E.E. Hartwig .........8
Soybean Germplasm Crop Advisory Committee Report ............................................................9
Soybean Germplasm Crop Advisory Committee By-Laws .......................................................13
RESEARCH NOTES
CANADA
Linkage tests with Ll. R.I. Buzzell and B.D.Rennie ............................................................15
Linkage assays. B.D. Rennie and J.W. Tanner ..................................................................17
CHINA
Genetic implication of soybean
resistance to Cercospora soiina race 1. X. Zhang,
Q. Yang, Y. Qi, T. Wu and
J. Wang ................................................................................21
Electrophoretic analysis
of seed storage protein of wild soybean (G. soia) in China.
B. Zhuang, B. Xu, Z. Xuw,
M. Xu and N. Zhuang ...........................................................27
Application studies in the
field on screening of cold-tolerance in the
laboratory in soybeans.
Y. Li, R. Chang, Y. Zhao and J. Sun ...........................................32
Study of the uses of aphid
resistant character in wild soybean. I. Aphid-resistance
performance of F2 generation
from crosses between cultivated and wild soybeans.
Z. Sun, P. Tian and J. Wang
.............................................................................................43
The effect of blend to imcrease soybean yield. Z. He and J. Zhang .....................................49
Brief on soybean mutation breeding. B.S. Yu and P.Y. Wang ............................................51
CHINA AND JAPAN
A media system to enhance
efficiency of plant regeneration in Glycine max.
W. Lee, T. Komatsuda and
S. Oka ...................................................................................55
Comparison of embryogenesis
efficiency on eight portions of immature embryos in
Glycine gracilis, W. Lee,
T. Kamatsuda, S. Oka ................................................................59
HUNGARY
Evaluation of soybean varieties
using nearest neighbor analysis and the estimation of
genetic improvement as a
result of registration of new varieties. J. Lazanyi and H. Siroky ....63
UNITED KINGDOM
Somatic hybridization of
Glycine species: The use of flow cytometry for isolation of
heterokaryons. B. Jones,
N.W. Blackhall, N. Hammatt and M.R. Davey ...........................69
Acrylamide concentration
affects the resolution of leucine aminopeptidase isoenzymes
from callus of soybean and
Glycine canescens. N. Hammatt and M.R. Davey ....................75
UNITED STATES
Origin of a new dwarf mutation. H. Skorupska and R.G. Palmer ........................................79
Origin of the w4-m allele. H.D. Weigelt, R.G. Palmer and R.W. Groose .............................81
Genetic analysis of the w4-mutable line. R.W. Groose and R.G. Palmer .............................84
Genetics and linkage studies of a new chlorophyll-deficient mutant. R.G. Palmer ................92
Linkage studies with an unknown
trisomic that occurred spontaneously in ms1ms1
soybean plants. F. Zhang
and R.G. Palmer ........................................................................93
Evaluation of specialty soybean
germplasm for corn earworm resistance.
H.W. Thompson, J.M. Joshi,
R.B. Dadson and M. Nobakht ............................................96
Screening specialty soybean
cultivars for harvest index. R.B. Dadson,
J.M. Joshi and M. Nobakht
............................................................................................100
Multiple insect resistance in a soybean germplasm line. T.C. Kilen. ...................................103
Re-examination of the recombination
frequency between acid phosphatase and the
Kunitz trypsin inhibitor
loci in soybeans. H. Yu and Y.T. Kiang ........................................106
Harvest index and related
characteristics of small and large seeded soybean genotypes.
H.L. Bhardwaj and A.S. Bhagsari
...................................................................................109
Evaluation of vegetable soybean
genotypes for nutritional and anti-nutritional factors.
A. Mohamed, T. Mebrahtu
and M. Rangappa..................................................................114
Evaluation of vegetable soybean
genotypes for phytate phosphorus and minerals.
A.I. Mohamed, T. Mebrahtu,
M. Rangappa and P.S. Benepai .........................................116
Evaluation of vegetable soybean
genotypes for fatty acid composition.
T. Mebrahtu, A. Mohamed
and M. Rangappa .................................................................119
Genetic relationship among
soybean lines resistant to Heterodera glycines races 3 and 5.
A.P. Rao-Arelli and S.C.
Anand ....................................................................................122
Biosystematics of the genus Glycine, 1989. T. Hymowitz and R.J. Singh ..........................125
Management of the USDA wild
perennial Glycine collection, 1989.
T. Hymowitz and J. A. Burridge
......................................................................................126
Resistance to PhytoRhthora
megasrerma f. sp. glycines in the soybean PI 437,833.
D. J. Thomas and C. D. Nickell
......................................................................................128
Further genetic analysis of the unstable r-m allele. J. M. Chandlee ....................................131
Improvement of soybean for stress tolerance and biological efficiency.
1.
Screening soybean genotypes for drought and heat tolerance. V. T. Sapra
and
A. 0. Anaele ..........................................................................................................134
2.
1988 and 1989 screening and selecting of vegetable soybean cultivars and
germplasm for resistance to pests and diseases. R.P. Pacumbaba and V. T.
Sapra ...139
3.
Seed transmission of soybean mosaic virus using mottled seeds from virus-infected
soybean plants. R.P. Pacumbaba ............................................................................144
4.
Effect of Al on the growth and symbiotic development of soybean germplasm.
McA. Floyd and S. Mookherji ...............................................................................146
5. Responses of various soybean genotypes to excess soil manganese. M.R. Reddy ....150
INDEX OF AUTHORS........................................................................................................153
RECENT SOYBEAN GENETICS AND BREEDING PUBLICATIONS............................154
MAILING LIST...................................................................................................................162
