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Transfer of resistance to potato leaf roll virus from solanum brevidens into solanum tuberosum by somatic fusion



Transfer of resistance to potato leaf roll virus from solanum brevidens into solanum tuberosum by somatic fusion



Plant Science (Shannon) 39(1): 75-82



Tetraploid somatic hybrids were produced by protoplast fusion between S. brevidens, a diploid non-tuber-bearing wild species and a diploid tuber-bearing potato line derived from an S. tuberosum Gp. Phureja Stenotumum population, S. brevidens has resistance to potato leaf roll virus (PLRV) and frost but is difficult to cross sexually with cultivated potato. Hybridity was verified by morphological characteristics and cytological observations. Nine of 10 hybrids tested showed resistance to PLRV. Hybrids produced fertile pollen and eggs which may allow beneficial traits of S. brevidens to be incorporated into a conventional potato breeding program.

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Accession: 006825049

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DOI: 10.1016/0168-9452(85)90195-5



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