Information on the Iowa State Mutator and other stocks from the Robertson laboratory
--Donald S. Roberston
In last year's News Letter, I indicated that I would be sorting through the stocks I had stored at ISU.
This task has been completed and there are now two sources of the stocks that were retained, which are
now available for distribution to interested researchers. One set of stocks was sent to the Maize
Genetics Cooperation Stock Center at the University of Illinois, Urbana, IL. The second set of stocks has
been retained at ISU. The Coop stocks are those I thought would be of more general interest to the maize
genetic community, while the ISU stocks are those that I thought would be of more interest to Mutator
connoisseurs. Some items have been retained in both collections. (Ed. Note: Lists of the two sets of
stocks can be requested from the Stock Center or from the editor of MNL; please ask for a hard copy or
an electronic copy; seed of these materials will be available only after Stock Center reproduction, i.e.,
not until 1995). All stocks except those used as planting sources for, or produced in, the years 1989,
1990, and 1991 have been stored in our cold storage facilities. These facilities were not the most
reliable and at times the stocks were in less than optimal conditions for periods of a week or two until
repairs could be made. Thus, it would be advisable to test a few kernels of each stock for germination
before planting them in the field. The older the stocks the higher the likelihood of poor germination.
Please Note: Notes submitted to the Maize Genetics Cooperation Newsletter may be cited only with consent of the authors
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