Table 3.

Correlation coefficients among all tested traits under application of phosphorus (AP) and non-application of phosphorus (NP)

	TL	RL	SL	SFW	RFW	SDW	RDW	FRS	DRS	TRL	RSA	RD	RV	RT	RF
TL	1	.819**	.744**	.624**	.650**	.416**	.525**	.192**	.203**	.690**	.674**	−.365**	.584**	.255**	.459**
RL	.847**	1	.226**	.317**	.532**	.227**	.420**	.425**	.364**	.599**	.565**	−.397**	.462**	.282**	.270**
SL	.849**	.438**	1	.690**	.484**	.442**	.403**	−.168**	−.078*	.473**	.486**	−.156**	.453**	.104**	.463**
SFW	.692**	.618**	.555**	1	.762**	.786**	.707**	−.112**	−0.073	.662**	.731**	−0.038	.742**	.309**	.706**
RFW	.634**	.687**	.391**	.869**	1	.771**	.917**	.526**	.330**	.834**	.920**	−.106**	.932**	.501**	.756**
SDW	.656**	.610**	.503**	.962**	.903**	1	.827**	.165**	−.165**	.587**	.696**	0.065	.761**	.469**	.650**
RDW	.565**	.621**	.338**	.728**	.889**	.791**	1	.474**	.397**	.776**	.871**	−0.062	.899**	.536**	.761**
FRS	.169**	.390**	−.101**	.163**	.603**	.292**	.637**	1	.611**	.394**	.430**	−.134**	.428**	.285**	.214**
DRS	−.097**	.092*	−.256**	−.257**	.094*	−.194**	.415**	.653**	1	.366**	.355**	−.209**	.306**	.128**	.233**
TRL	.672**	.717**	.423**	.817**	.911**	.854**	.843**	.497**	.084*	1	.965**	−.494**	.826**	.590**	.859**
RSA	.645**	.703**	.392**	.851**	.965**	.889**	.879**	.556**	.097**	.976**	1	−.280**	.944**	.616**	.868**
RD	−.389**	−.347**	−.312**	−.150**	−.087*	−.150**	−.132**	.081*	0.040	−.390**	−.200**	1	0.033	−.171**	−.286**
RV	.572**	.639**	.332**	.830**	.962**	.868**	.864**	.593**	.114**	.888**	.966**	0.033	1	.583**	.794**
RT	.453**	.525**	.244**	.621**	.648**	.648**	.582**	.258**	−0.043	.796**	.765**	−.289**	.683**	1	.644**
RF	.532**	.538**	.364**	.809**	.860**	.858**	.782**	.413**	−0.018	.931**	.924**	−.284**	.858**	.825**	1

Using ‘1’ as diagonal line, the correlation of all tested traits under AP and NP are below and above the diagonal line, respectively;* and ** represent significance level of P < 0.05 and P < 0.01, respectively