Table 6.

Pearson correlation coefficients between plant traits and nitrogen (N) absorption.

items		Absorptive amount of N			Maximum number of seedlings	Percentage of available tiller	Effective panicles
		SO–AT	AT–HD	HD–MA
absorptive amount of N	SO–AT	—	ns	ns	ns	ns	*
	AT–HD	r = −0.307	—	ns	ns	*	ns
	HD–MA	r = −0.144	r = 0.315	—	ns	ns	ns
the maximum number of seedlings		r = 0.483	r = 0.349	r = 0.027	—	**	**
percentage of available tiller		r = −0.321	r = −0.618	r = 0.228	r = −0.839	—	*
effective panicles		r = 0.643	r = 0.229	r = 0.251	r = 0.901	r = −0.642	—

SO–AT, from sowing to active tillering; AT–HD, from active tillering to full heading; HD–MA, from full heading to maturity.

*Significant at the 0.05 level based on analysis of variance.

**Significant at the 0.01 level based on analysis of variance.

Ns denotes non-significance based on analysis of variance