Table 4.

Equations of the final internode length (cm) response to increased plant densities for different cultivars.

PP		11	12	13	14	15	16	17
C1	a	−0.17	−0.16	−0.09	−0.09	−0.12	−0.10	−0.10
	b	8.99	8.27	7.19	5.77	5.44	4.81	4.50
	R2	0.62	0.66	0.86	0.67	0.69	0.88	0.62
C2	a	−0.10	−0.15	−0.21	−0.11	−0.16	−0.14	−0.14
	b	8.77	9.25	9.01	7.15	6.74	6.27	5.49
	R2	0.62	0.69	0.74	0.78	0.75	0.82	0.79
C3	a	−0.25	−0.15	−0.16	−0.05	−0.15	−0.04	−0.08
	b	9.78	8.50	8.17	6.23	6.55	4.56	4.70
	R2	0.87	0.85	0.82	0.94	0.95	0.86	0.82

Here C1 Zhengdan 958, C2 Longping 206, C3 Jinqiu 119, PP ranks. R² is significant (P < 0.05).