Table 3.

Stem anatomical attributes in the plant types of C. olitorius.

Attributes	Zones	Genotypes		t value at 8 DF	P value
		Control	“Thick stem”
Fibre zone (cm2)	Base	0.53 ± 0.01	4.02 ± 0.09	16.43	<0.001
	Middle	0.30 ± 0.01	3.12 ± 0.07	11.87	<0.001
	Upper	0.21 ± 0.01	1.20 ± 0.05	21.50	<0.001
Number of fibre pyramid per T.S.	Base	60.20 ± 1.16	96.40 ± 0.51	28.60	<0.001
	Middle	50.80 ± 0.86	87.00 ± 0.71	32.50	<0.001
	Upper	45.20 ± 1.16	70.00 ± 0.71	18.30	<0.001
Number of fibre bundle per pyramid	Base	41.80 ± 1.43	75.40 ± 1.44	16.60	<0.001
	Middle	26.80 ± 0.80	57.80 ± 0.49	33.00	<0.001
	Upper	16.00 ± 0.32	31.00 ± 0.32	33.50	<0.001
Diameter of fibre cell (µm)	Base	15.60 ± 0.25	18.60 ± 0.37	7.16	<0.001
	Middle	16.00 ± 0.32	18.80 ± 0.37	5.72	<0.001
	Upper	18.00 ± 0.32	21.20 ± 0.37	6.53	<0.001