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The influence of phytohormones on growth, organ differentiation and fructan production in callus of Symphytum officinale L.

Haaß, D. ; Abou-Mandour, A. A. ; Blaschek, W. ; Franz, Gerhard


Callus derived from Symphytum officinale L. regenerants was cultured in the presence of various phytohormones. The growth rate of callus was stimulated by all phytohormones at various concentrations. With 1-naphthaleneacetic acid no organ differentiation could be observed. With indole-3-butyric acid at low concentrations only roots were formed, whereas 6-benzylaminopurine, kinetin and zeatin at ...


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