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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