Cytokinin Activity Induced by Thidiazuron | Zendy

John C. Thomas | Zendy; Frank R. H. Katterman | Zendy

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Cytokinin Activity Induced by Thidiazuron

Author(s) -

John C. Thomas,

Frank R. H. Katterman

Publication year - 1986

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.81.2.681

Subject(s) - cytokinin , thidiazuron , biology , botany , chemistry , microbiology and biotechnology , biochemistry , auxin , gene , in vitro , micropropagation , explant culture

The diphenylurea derivative thidiazuron induces a variety of cytokinin responses. Levels above 5 x 10(-9) molar and 4 x 10(-7) molar stimulate maximum soybean callus growth and radish cotyledon expansion, respectively. A wider range of dose response related effects follows thidiazuron induced tobacco plant regeneration. Analysis of soybean callus extracts strongly suggests that thidiazuron treatment creates an accumulation and/or synthesis of purine cytokinins, able to induce the growth, expansion and regeneration, mentioned above.

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