Question

In 1920s, the Japanese biologist Kurosawa and his colleagues discovered the foolish-seedling disease' in which rice plants grow too tall, is caused by

• A. a gibberellin secreting fungi
• B. the herbicide 2, 4-D
• C. degraded nucleic acids
• D. too much auxin, due to stagnant water in the fields

Answer 1

The correct option is A a gibberellin secreting fungi

gibberellins were discovered in fungi during the study of rice fooling seedling disease in Gibberella fujikuroi i