388 E. L. PINNELL, E. H. RINKE, AND H. K. HAYES 



f ormance of the plants from the low testmg gametes, but appeared to have no 

 effect in further increasing the yield performance of the F2 plants from the 

 high testing gametes. 



The economic feasibility of Fo plant testing in a gamete selection program 

 is questioned. 



