A Database for Triticeae and Avena
T. E. Haus, Colorado
R. T. Ramage, Arizona
T. Tsuchiya, Colorado
Department of Agronomy
Colorado State University
Fort Collins, Colorado 80523, USA
April 10, 1980
One decade has passed since the first issue of Barley Genetics Newsletter
was published in 1971. For the editors it has been enjoyable work to publish
the Newsletter, even though we have encountered some minor problems from
time to time. We have never experienced a shortage of manuscripts. Only
a limited number of manscripts were considered inadequate for this Newsletter
and recommended for Barley Newsletter.
The Newsletter has been improved in various ways. However, we believe
that there still is more room for improvement. For example, the list of
literature in barley genetics is not well prepared. It is important to
receive reprints and/or a list of all papers on barley genetics published
from each institution to make the list more complete. Also most of the
list of literature has been prepared in Fort Collins. If each of the active
institutions prepare a list and send it to the editors, the list would
be far more comprehensive. We need that type of cooperation from all barley
Another area is the report from coordinators. We would like to have
some information from each of the coordinators each year regardless of
chromosome coordinators or genetic stock coordinators. Even brief notes
from each coordinator will help all barley workers to know the activities
of various centers.
At present the format is established as follows: I. Special Notices,
II. Research Notes, III. Genetic and cytological techniques, IV. Reports
from coordinators, V. Current linkage maps of barley, VI. Description of
genetic stocks, VII. List of genetic stocks, VIII. List of recent publications
on barley genetics, IX. Errata, and X. Mailing list.
We would like to have suggestions and/or comments on the format or any
other aspects of the Newsletter useful to improve our publication.
In the next issue, Barley Genetics Newsletter, Volume 11, we would like
to include complete indices for Volumes 1 to 10. If a worker or workers
of an institution would prepare such indices, we would appreciate it very
Also we solicit suggestions for pictures or ideas for cover pages.
It is appropriate to mention here that most of the reports in the Barley
Genetics Newsletter have been abstracted by the Plant Breeding Abstracts
(England) and the Russian version of Plant Breeding Abstracts.
Financial support for publication and distribution of Barley Genetics
Newsletter has been given by the following countries and agency:
Federal Republic of Germany
U.S.A. (USDA/SEA) as a part of Research Grant for Barley Genetic Stock
The European contribution makes it possible to distribute the Newsletter
to all European subscribers free of charge.
This support is greatly appreciated.
FRONT COVER DIAGRAM
Telotrisomics have been useful in locating the centromere position
in the linkage maps and associating genes with chromosome arms in barley.
Triplo 5L, the telotrisomic for the long arm of chromosome 5 (5L) was the
first telotrisomic cytologically established by karyotype analysis (Tsuchiya,
1972a, BGN 2:90-92; Tsuchiya, 1972b, J. Hered. 63:373-375). The genetic
data from telotrisomic analysis (Fedak, 1969, Ph.D. Thesis; Fedak et al,
1972, Can. J. Genet. Cytol. 14:949-957; Tsuchiya, 1972, BGN 2:93-98; Tsuchiya
and Singh, 1973, BGN 3:75-78) in combination with the cytological data
resulted in a reversal of the linkage map of chromosome 5; the previous
long and short arm became the short and long arm, respectively (Tsuchiya,
1972a,b). As a result of this revision, it was also found that almost all
of the resistant genes for powdery mildew are located in the short arm
of chromosome 5 (Jensen, 1980, BGN 10:88-100).
Figure 1 shows karyotype of two complete cells at somatic metaphase.
Figure 2 shows the previous (a) and the revised map (b) of chromosome
5 in barley.
BGN 10 toc
BGN Main Index