Somatic Embryogenesis in Walnut (Juglans Species)

  • W. Tulecke
  • G. H. McGranahan
  • C. A. Leslie
Part of the Biotechnology in Agriculture and Forestry book series (AGRICULTURE, volume 30)

Abstract

As one of the world’s most important nut crops, walnuts are produced in amounts exceeding 800 000 metric tons annually and the wood from walnut trees is valued for furniture, veneer, and gunstocks. For these products, walnuts are cultivated in the United States, China, Turkey, France, and many other countries. The English or Persian walnut, Juglans regia, is native to the mountains of central Asia. It is a member of the Juglandaceae which includes black walnuts (J. nigra, J. hindsii, J. major), butternut (J. cinerea), pecans and hickories (Carya spp.), and wingnuts (Pterocarya spp.) (McGranahan and Leslie 1990).

Keywords

Sucrose Starch Agar Germinate Bacillus 

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Copyright information

© Springer-Verlag Berlin Heidelberg 1995

Authors and Affiliations

  • W. Tulecke
    • 1
  • G. H. McGranahan
    • 2
  • C. A. Leslie
    • 2
  1. 1.Antioch CollegeYellow SpringUSA
  2. 2.Department of PomologyUniversity of CaliforniaDavisUSA

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