Chapter

Transgenic Crops III

Volume 48 of the series Biotechnology in Agriculture and Forestry pp 155-170

Transgenic Gladiolus

  • K. KamoAffiliated withUnited States Department of Agriculture National Arboretum, Agricultural Research Service, Floral & Nursery Plants Research Unit
  • , M. RohAffiliated withUnited States Department of Agriculture National Arboretum, Agricultural Research Service, Floral & Nursery Plants Research Unit
  • , A. BlowersAffiliated withSanford Scientific
  • , E. SmithAffiliated withSanford Scientific
  • , J. Van EckAffiliated withSanford Scientific

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Abstract

Gladiolus is a monocotyledonous floral bulb crop which ranked fifth in 1993 for the number of stems (79663) shipped worldwide (USDA 1994). In Florida alone, about 3600 acres are devoted to cut-flower production, and about 120 acres are for production of stock corms of Gladiolus (Wilfret 1980). Its production areas are severely plagued by viral, microbial, and fungal pathogens, so that a typical cultivar lasts only a few years before it succumbs to disease and is removed from production. It has not been possible to effectively breed pathogen resistance into Gladiolus using conventional breeding methods so it represents a commercially important floral crop that would benefit from disease resistance mediated by genetic engineering.