Parthenocarpic fruit can be produced by the application of which of the following auxin?

Question

Parthenocarpic fruit can be produced by the application of which of the following auxin? (A) Indole butyric acid (IBA) (B) Indole acetic acid (IAA) (C) 2-4 dichlorophenoxyacetic acid (2,4-D) (D) All of these

Tardigrade Admin · Accepted Answer

The term parthenocarpy refers to development of fruit without fertilisation. Such fruits, e.g. banana, pineapple are seedless but otherwise normal in appearance. The auxins (IAA, IBA and 2, 4-D) are applied in low concentration in a lanoline paste to the stigma of flower to induce parthenocarpy.

Q. Parthenocarpic fruit can be produced by the application of which of the following auxin?

Indole butyric acid (IBA)

Indole acetic acid (IAA)

2-4 dichlorophenoxyacetic acid (2,4-D)

All of these

The term parthenocarpy refers to development of fruit without fertilisation. Such fruits, e.g. banana, pineapple are seedless but otherwise normal in appearance. The auxins (IAA,IBA and 2,4−D) are applied in low concentration in a lanoline paste to the stigma of flower to induce parthenocarpy.