FFR Cooperative has developed stocks of B37 in three diverse cytoplasms: B37Ht in white (K6) cytoplasm, B37Ht in flint corn cytoplasm and B37Ht in popcorn cytoplasm. These stocks have been backcrossed eight times to B37Ht, and there are no readily apparent phenotypic differences between the cytoplasms.
FFR will supply seed of these stocks to all interested geneticists and breeders as long as the seed supply lasts. There will be no charge for the stocks. Address requests to David Alvey, FFR Cooperative, 4112 East State Road 225, West Lafayette, Indiana 47906.
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