Table 7.

Rates of occurrence (%) of double ears in the various maize varieties with gradually increasing plant densities.

Cultivar	Density (plants m−2)
	1.7	2.1	2.8	3.3	3.7	4.2	4.8	5.6	6.7	8.3	11.1	13.3	16.7
ZD958	40	35	35	7.5	5	5	5	2.5	2.5	0	0	0	0
XY335	55	22.5	5.1	2.5	2.5	0	0	0	0	0	0	0	0
DH661	0	0	0	0	0	0	0	0	0	0	0	0	0
YN103	42.5	25	22.5	15	5	2.5	2.5	0	0	0	0	0	0
ZD808	0	0	0	0	0	0	0	0	0	0	0	0	0