Table 5. Diversity indexes calculated from 31 sole carbon source substrates utilization data For diversity analysis, original data at the experiment end points was normalized to AWCD.

Stage	Sample Type	Shannon (H)	Simpson (1/D)	Mclntosh (U)
Panicle differentiation	H11	3.09 ± 0.04 b	0.95 ± 0.00 b	4.68 ± 0.10 c
	H12	2.84 ± 0.09 a	0.93 ± 0.00 a	4.17 ± 0.04 b
	L11	2.86 ± 0.06 a	0.93 ± 0.00 a	4.07 ± 0.16 b
	L12	2.72 ± 0.03 a	0.94 ± 0.01 a	3.33 ± 0.12 a
Full-heading	H21	2.84 ± 0.04 b	0.93 ± 0.00 b	3.85 ± 0.16 c
	H22	2.51 ± 0.07 a	0.90 ± 0.00 a	1.65 ± 0.13 a
	L21	2.73 ± 0.06 b	0.93 ± 0.00 b	3.50 ± 0.14 c
	L22	3.07 ± 0.08 c	0.94 ± 0.00 b	2.88 ± 0.55 b
Maturity	H31	3.02 ± 0.05 c	0.94 ± 0.00 b	3.64 ± 0.17 c
	H32	2.79 ± 0.04 b	0.93 ± 0.00 b	3.10 ± 0.06 b
	L31	2.72 ± 0.12 b	0.92 ± 0.02 ab	2.85 ± 0.26 b
	L32	2.56 ± 0.07 a	0.90 ± 0.01 a	2.04 ± 0.36 a
Background	H40	2.66 ± 0.08	0.92 ± 0.00	2.02 ± 0.61
	L40	2.83 ± 0.06	0.93 ± 0.00	2.73 ± 0.19
Sample Type (T)		0.682	0.848	2.338
Stage (S)		0.436	1.029	5.537*
T*S		24.473**	10.244**	15.037**

¹Values represent the mean (n = 3) with the standard variance (STDEV). Different letters within columns indicate significant differences (p < 0.05) at a single growth stage. Asterisks indicated the factor significantly explaned the varaition among the sanples (*p < 0.05; **p < 0.01).