Table 2.

Girth of the stem in the plant types.

Attributes	Plant types								t value at 8 DF	P value
	Control				“Thick stem”
	2010	2011	2012	Pooled	M 5	M 6	M 7	Pooled
Girth of stem (cm)
Basal	7.62 ± 0.47	7.87 ± 0.45	7.81 ± 0.20	7.77 ± 0.37	14.10 ± 0.37	13.90 ± 0.51	13.55 ± 0.48	13.85 ± 0.20	23.27	<0.001
Middle	5.77 ± 0.85	5.85 ± 0.70	5.72 ± 0.24	5.78 ± 0.60	12.20 ± 0.21	11.92 ± 0.45	12.10 ± 0.37	12.07 ± 0.34	24.49	<0.001
Upper	4.00 ± 0.43	3.47 ± 0.14	4.00 ± 0.37	3.82 ± 0.31	7.80 ± 0.37	7.60 ± 0.30	8.00 ± 0.37	7.80 ± 0.35	9.53	<0.001