Question

Name the Harmon's that are called photo Harmon's

Answer 1

Hormones present in plants are called phyto hormones. Hormones are chemical messagers.
e.g. auxin: promte growth, cell differentiation, formation of seedless fruit and flowering..etc

Cytokinin: cell division, cell elongation, cell expansion etc.

Gibberellin: stem elongation, seed germination and flowering.

Abscisic acid: a growth inhibitor that reverse the growth promotion.

Answer 2

Additionally there are also several other compounds that fulfill a similar function to the major hormones, but their status as bone fide hormones is still debated.

Abscisic acid. Abscisic acid. ...

Auxins. The auxin, indole-3-acetic acid. ...

Brassinosteroids. ...

Cytokinins. ...

Ethylene. ...

Gibberellins. ...

Jasmonates. ...

Salicylic acid