regulation of cardioblast cell fate specification
Any process that mediates the specification of a cell into a cardioblast. A cardioblast is a cardiac precursor cell. It is a cell that has been committed to a cardiac fate, but will undergo more cell division rather than terminally differentiating.
GO:0051890
regulation of cardioblast differentiation
is_a
GO:2000043
regulation of cardiac cell fate specification
is_a
GO:0042685
cardioblast cell fate specification
regulates