Table 8.

Correlation analysis between ear traits and yield (n = 65).

Yield index	Items
	Ear length	Bald-tip length	Ear perimeter	Ear number per unit area	Grain number per unit area	Thousand kernel weight
Ear bald-tip length	−0.4464**
Ear perimeter	0.7470**	−0.7226**
Ear number per unit area	0.0972	−0.0015	−0.2004
Grain number per unit area	−0.0267	−0.1029	0.0189	0.7085**
Thousand-kernel weight	0.7837**	−0.6147**	0.4292**	−0.6719**	−0.4277**
Yield of single plant	0.8533**	−0.6936**	0.8620**	−0.9210**	−0.5575**	0.6833**
Yield per unit area	−0.0722	0.1449	−0.2123	0.4584**	0.8332**	−0.0800

**Significant at the 0.01 probability level;*Significant at the 0.05 probability level.