Journal of Cotton Research

Table 3 Factor loading matrix of principle components reserved of cotton agronomic traits under different nitrogen conditions

From: Identification and screening of nitrogen-efficient cotton genotypes under low and normal nitrogen environments at the seedling stage

Index	Low nitrogen			Normal nitrogen
Index	Principal component 1	Principal component 2	Principal component 3	Principal component 1	Principal component 2	Principal component 3
SPAD	−0.28	− 0.32	0.37	− 0.33	0.31	0.75
Height	0.73	0.40	−0.045	0.69	0.27	−0.36
ADW	0.88	0.29	−0.06	0.89	0.32	−0.045
RDW	0.79	0.46	0.076	0.77	0.49	0.15
TDW	0.90	0.37	−0.012	0.90	0.40	0.02
ANU	0.74	−0.59	−0.33	0.91	−0.30	− 0.063
RNU	0.44	0.079	0.84	0.65	−0.15	0.49
TNU	0.85	−0.52	0.002	0.95	−0.29	0.066
NUtE	−0.053	0.95	−0.14	−0.19	0.96	−0.11
NUpE	0.85	−0.52	0.001	0.95	−0.30	0.071
Eigenvalue	5.00	2.47	0.98	5.86	1.88	0.98
Variance contribution rate	50.01	24.70	9.82	58.64	18.81	9.76
Cumulative percentage	50.01	74.72	84.54	58.64	77.45	87.22

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ISSN: 2523-3254

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