Plant regeneration from leaf tissues of four North Dakota genotypes of potato (Solanum tuberosum L.)
1995
An efficient plant regeneration system was developed fromin vitro leaf tissues of four North Dakota potato genotypes. The best medium for genotype ND860-2 was Murashige and Skoog medium with 20.0 μM IAA and 11.4 μM zeatin riboside. Two to three weeks of initial dark treatments had a significant effect in reducing the time for shoot regeneration and increasing the number of regenerated shoots. Four antibiotics commonly used inAgrobacterium- mediated transformation were tested for their effects on shoot regeneration. Shoot induction was completely inhibited by kanamycin at 15 mg/L and hygromycin at 4 mg/L or higher, but not by carbenicillin (except at 1000 mg/L) and cefotaxime. Hygromycin significantly stimulated shoot induction at 1 mg/L.
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