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Question

Gibberellin was first extracted from _____________.

A
Gibberella fujikori
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B
Gelidium
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C
Graciaria
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D
Aspergillus
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Solution

The correct option is B Gibberella fujikori
In Japan (in early 1800's), certain rice plants suffers from bakanae (foolish seedling) disease. Such rice plants were thin, pale green, spindle shaped, longer by 50% than the healthy plants, and were sterile. The disease was found by Hori and Kurosawa to be caused by a fungus. Gibberella fujikori. The fungus is the perfect stage of Fusarium moniliforme.

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