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Gibberellins were first discovered in Japan when rice plants were suffering from bakane (the foolish seedling disease) caused by a fungus Gibberella fujikuroi. - Biology

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Question

Gibberellins were first discovered in Japan when rice plants were suffering from bakane (the foolish seedling disease) caused by a fungus Gibberella fujikuroi.

Which property of Gibberellin caused foolish seedling disease in rice?

Short Note

Solution

The fungus produces a lot of Gibberellin. This promotes too much growth in internodes and the plant becomes too tall to hold its own weight.

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Plant Growth Regulators - Discovery of Plant Growth Regulators
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Chapter 15: Plant Growth and Development - Exercises [Page 86]

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NCERT Exemplar Biology [English] Class 11
Chapter 15 Plant Growth and Development
Exercises | Q 4. b. | Page 86
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