Regeneration of Plants from Protoplast of Sweet Potato (Ipomoea batatas L. Lam.)

  • D. Sihachakr
  • G. Ducreux
Part of the Biotechnology in Agriculture and Forestry book series (AGRICULTURE, volume 23)


The sweet potato is a food crop of considerable importance in the tropics and even some temperate zones covering the southern regions of Europe (Spain, Italy, and Greece) and the USA. The world production of sweet potato was estimated at 133.2 million t in 1989, and the mean yield of tubers at 14.4 t/ha (FAO 1989). Approximately 8.9 million ha of sweet potato are currently grown worldwide in more than 80 countries, with China (114.0 million t), Indonesia (2.1 million t), Uganda (1.8 million t), India (1.4 million t), Japan (1.3 million t), Rwanda (0.8 million t), Brazil (0.75 million t), and the USA (0.54 million t) being the largest producers (FAO 1989). The root tuber accumulates high amounts of starch. Its nutritive value as a food crop is due to richness in calories and vitamins, as well as a protein content ranging from 2 to 10% dry matter following cultivars (Yang et al. 1975; Hattori et al. 1985). Sweet potato is also grown as a source of industrial starch and for distilleries. Its stem and particularly foliage are used as forage.


Plant Regeneration Sweet Potato Protoplast Culture Somatic Hybrid Plant Digestion Period 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1993

Authors and Affiliations

  • D. Sihachakr
  • G. Ducreux
    • 1
  1. 1.Morphogénèse Végétale ExpérimentaleCNRS-URA 115Orsay CedexFrance

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