NEET BIOLOGY

PLANT PHYSIOLOGY

PLANT GROWTH

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The fungus associated with the discovery and source of gibberellins is
A
Fusarium oxysporum
B
Fusarium solanii
C
Fusarium moniliforme
D
Fusarium longipes
Explanation: 

Detailed explanation-1: -Gibberellins were first isolated from the fungus Gibberella fujikuroi, the cause of the foolish seedling disease of rice (Figure 1-37D).

Detailed explanation-2: -The gibberellins (GAs) comprise a large group of tetracyclic diterpenoid carboxylic acids, first discovered as secondary metabolites of the fungus Fusarium fujikuroi. They are now known to be produced by vascular plants and a number of fungal and bacterial species.

Detailed explanation-3: -Endophytic Fungi Produce Gibberellins and Indoleacetic Acid and Promotes Host-Plant Growth during Stress-PMC. The . gov means it’s official. Federal government websites often end in .

Detailed explanation-4: -Gibberellin was first recognized in 1926 by a Japanese scientist, Elichi Kurosawa studying bakane, the ‘foolish seedling disease’ in rice. It was first isolated in 1935 by Teijiro Yabuta and Sumuki from fungal strains provided by Kurosawa from Gibberella fujikori.

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