Plant Growth Substances Auxins: Enhance fruit set and frui | Agriculture Exams Library

Plant Growth Substances

Auxins: Enhance fruit set and fruit ripening, stimulation and elongation of cells,
stem and coleoptiles. Cell division and root formation are functions of auxins can
be used as herbicides.

Cytokinins: Delays senescence, stimulate cell division, promotes orderly development of embryo of seed. Breaks dormancy of buds and seeds.

Gibberellins: Increase size of fruit, flower and leaves, Break the dormancy
induced flower, cell elongation and cell division increase.

Abscisic Acid: Induce dormancy, stomatal closer faculties.

Ethylene: Help to ripening of fruits. Growth of stems and roots are iso-diametric.