Corn is known to be high in Cytokinins.

"Cytokinins will increase the girth and tinsel strength of the side branches and stronger branches will produce larger and heavier flowers." -Clackamas Coots

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Cytokinin Functions
A list of some of the known physiological effects caused by cytokinins are listed below. The response will vary depending on the type of cytokinin and plant species (Davies, 1995; Mauseth, 1991; Raven, 1992; Salisbury and Ross, 1992).

• Stimulates cell division. 
• Stimulates morphogenesis (shoot initiation/bud formation) in tissue culture. 
• Stimulates the growth of lateral buds-release of apical dominance. 
• Stimulates leaf expansion resulting from cell enlargement. 
• May enhance stomatal opening in some species. 
• Promotes the conversion of etioplasts into chloroplasts via stimulation of chlorophyll synthesis.