The zb1 and zb2 stocks maintained at the Stock Center seem to be allelic to zb3 (Karen Cone, personal communication; we are also in the process of confirming this result). This may be due to a mix-up in these stocks that might have occurred when they were received by the Stock Center in 1943. If anyone has independently-maintained lines of zb1 and zb2 that do not trace back to the Stock Center, or were obtained from the Stock Center prior to 1943, we would appreciate receiving them so that we can test them against zb3 and add them to the Stock Center's collection. Our address is:
Maize Genetics Cooperation ï Stock Center
S-123 Turner Hall
1102 S. Goodwin Ave.
Urbana, IL 61801
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