Table 2.

Correlations among morphological and productive traits and ash.

	GY	TW	TKW	Length	Width	Thickness	Area	Ash-WM	Ash-DK1	Ash-DK2	Ash-DK3	Ash-DK4	Ash-DK5	Ash-DK6	Ash-S
GY	1.00
TW	0.58	1.00
TKW	−0.45	−0.04	1.00
Length	0.47	0.49	0.47	1.00
Width	0.18	0.25	0.36	0.67	1.00
Thickness	−0.13	0.24	0.87	0.74	0.69	1.00
Area	−0.39	0.01	0.85	0.37	0.17	0.66	1.00
Ash-WM	0.64	0.58	−0.14	0.47	0.21	0.1	−0.06	1.00
Ash-DK1	0.68	0.3	−0.89	−0.23	−0.31	−0.74	−0.69	0.5	1.00
Ash-DK2	0.64	0.33	−0.86	−0.27	−0.38	−0.74	−0.63	0.54	0.98	1.00
Ash-DK3	0.57	0.19	−0.86	−0.35	−0.52	−0.83	−0.58	0.41	0.96	0.97	1.00
Ash-DK4	0.49	0.16	−0.88	−0.40	−0.55	−0.84	−0.65	0.4	0.93	0.95	0.97	1.00
Ash-DK5	0.52	0.24	−0.87	−0.37	−0.56	−0.85	−0.63	0.34	0.94	0.94	0.97	0.98	1.00
Ash-DK6	0.43	0.13	−0.86	−0.47	−0.53	−0.84	−0.59	0.38	0.92	0.94	0.95	0.97	0.93	1.00
Ash-S	−0.12	0.34	0.71	0.64	0.25	0.67	0.64	0.37	−0.49	−0.42	−0.47	−0.44	−0.43	−0.50	1.00

Bold correlations are significant at p < 0.01. WM, wholemeal; DK-1 to DK-6, debranned kernels; S, semolina. GY: Grain yield; TW: Test weight; TKW: Thousand kernel weight.