Chlorate-resistant variants of Nicotiana tabacum L. |
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| Authors: | Stephen V. Evola |
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| Affiliation: | (1) Department of Plant Breeding and Biometry, Cornell University, Ithaca, NY, USA;(2) Present address: Biology Department, Brookhaven National Laboratory, 11973 Upton, NY, USA |
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| Abstract: | Summary In somatic hybrids of each of four chlorate-resistant cell lines of Nicotiana tabacum L., two of which were also nitrate-nonutilizing, and a common chlorate-sensitive parent, nitrate utilization and/or chlorate resistance were found to be recessive traits. Complementation for nitrate utilization was observed in somatic hybrids of the two nitrate-nonutilizing cell lines. No chlorate-resistant or nitrate-nonutilizing seedlings were detected among a large number of progeny resulting from the self-fertilization of a somatic hybrid plant one of whose parents was one of the nitrate-nonutilizing cell lines. |
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