John P Helgeson

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John P



Publications in SciGraph latest 50 shown

  • 2004-07 Transfer of tuber soft rot and early blight resistances from Solanum brevidens into cultivated potato in THEORETICAL AND APPLIED GENETICS
  • 2002-01 Introgression and stabilization oferwinia tuber soft rot resistance into potato after somatic hybridization ofsolanum tuberosum ands. brevidens in AMERICAN JOURNAL OF POTATO RESEARCH
  • 2001-06 Analysis of the introgression of Solanum bulbocastanum DNA into potato breeding lines in MOLECULAR GENETICS AND GENOMICS
  • 2000-11 Development and applications of a set of chromosome-specific cytogenetic DNA markers in potato in THEORETICAL AND APPLIED GENETICS
  • 1999-05 Expression of nonacclimated freezing tolerance and cold acclimation capacity in somatic hybrids between hardy wild Solanum species and cultivated potatoes in EUPHYTICA
  • 1999-05 Identification of stem soft rot (Erwinia carotovora subspeciesatroseptica) resistance in potato in AMERICAN JOURNAL OF POTATO RESEARCH
  • 1998-05 Somatic hybrids between Solanum bulbocastanum and potato: a new source of resistance to late blight in THEORETICAL AND APPLIED GENETICS
  • 1994-11 Resistance to potato virus Y in somatic hybrids between Solanum etuberosum and S. tuberosum x S. berthaultii hybrid in THEORETICAL AND APPLIED GENETICS
  • 1993-06 Sexual progeny of somatic hybrids between potato andSolanum brevidens: Potential for use in breeding programs in AMERICAN JOURNAL OF POTATO RESEARCH
  • 1993-06 Interspecific somatic hybridization betweenSolanum tuberosum L. andS. bulbocastanum dun. as a means of transferring nematode resistance in AMERICAN JOURNAL OF POTATO RESEARCH
  • 1992-03 New genes for disease resistances through somatic hybridization in NETHERLANDS JOURNAL OF PLANT PATHOLOGY
  • 1986-06 Somatic hybrids between Solanum brevidens and Solanum tuberosum: Expression of a late blight resistance gene and potato leaf roll resistance in PLANT CELL REPORTS
  • 1974-12 A method for large scale laboratory inoculation of potato tubers with late blight fungus in AMERICAN JOURNAL OF POTATO RESEARCH
  • 1972 Medium and Tissue Sugar Concentrations during Cytokinin-Controlled Growth of Tobacco Callus Tissues in PLANT GROWTH SUBSTANCES 1970
  • 1972 Identification of Cytokinins by Gas-Liquid Chromatography and Gas-Liquid Chromatography-Mass Spectrometry in PLANT GROWTH SUBSTANCES 1970
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