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  • Please,please help me Fruit and leaf drop at early stages can be prevented by the application of

Fruit and leaf drop at early stages can be prevented by the application of

  • Option 1)

    Cytokinins

  • Option 2)

    Ethylene

  • Option 3)

    Auxins

  • Option 4)

    Gibberellic acid

 

Answers (1)

best_answer

As learnt

Auxin -

Tryptophan is the precursor of Indole acetic acid (IAA, natural auxin). Important biassay of auxins are Avena curvature test and cross root inhibition test.

 

- wherein

Discovered by Went.

NAA and 2,4-D are auxins which prevent fruit drop in tomato and citrus respectively.

 


Option 1)

Cytokinins

This option is incorrect

Option 2)

Ethylene

This option is incorrect

Option 3)

Auxins

This option is correct

Option 4)

Gibberellic acid

This option is incorrect

Posted by

prateek

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