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JIPMER 2006
Exam
JIPMER
Year
2006
Subject
Botany
Chapter
Plant - Growth and Development

JIPMER 2006 · Botany · Plant - Growth and Development

Gibberellin was first extracted from :

Gibberellin was first extracted from :

Options

  1. AGibberella fujikuroi
  2. Balgae
  3. Cbacteria
  4. Droots of higher plants

Correct answer

A. Gibberella fujikuroi

Step-by-step solution

Yabuta and Hayashi (1939) isolated an active substance from a fungus, Gibberella fujikuroi and called it gibberellin-A. It causes backane disease in rice seedlings.
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