Table 3 Correlation coefficient evaluation between studied traits in cucumber seedlings.

	PH	SD	TLA	HL	SFW	RFW	SDW	RDW	WC%	Chl a	Chl b	ToCh	Car.	ToCh/Car.	Nit.	Pro.	Sug.
PH	1
SD	0.935**	1
TLA	0.965**	0.983**	1
HL	0.983**	0.937**	0.957**	1
SFW	0.977**	0.963**	0.974**	0.969**	1
RFW	0.970**	0.956**	0.974**	0.960**	0.968**	1
SDW	0.990**	0.951**	0.976**	0.981**	0.994**	0.976**	1
RDW	0.949**	0.984**	0.984**	0.953**	0.981**	0.962**	0.973**	1
WC%	− 0.866**	− 0.953**	− 0.917**	− 0.869**	− 0.919**	− 0.846**	− 0.887**	− 0.942**	1
Chl a	0.977**	0.966**	0.979**	0.983**	0.984**	0.991**	0.989**	0.980**	− 0.881**	1
Chl b	0.969**	0.986**	0.982**	0.971**	0.977**	0.966**	0.976**	0.987**	− 0.934**	0.983**	1
ToCh	0.916**	0.943**	0.960**	0.942**	0.952**	0.917**	0.950**	0.973**	− 0.907**	0.953**	0.952**	1
Car.	0.975**	0.962**	0.973**	0.976**	0.986**	0.974**	0.987**	0.987**	− 0.904**	0.991**	0.987**	0.960**	1
ToCh/Car.	− 0.458	− 0.279	− 0.297	− 0.366	− 0.368	− 0.436	− 0.39	− 0.313	0.195	− 0.384	− 0.363	− 0.158	− 0.415	1
Nit.	− 0.753*	− 0.814**	− 0.781**	− 0.747*	− 0.813**	− 0.786**	− 0.792**	− 0.865**	0.806**	− 0.811**	− 0.839**	− 0.805**	− 0.859**	0.466	1
Pro.	− 0.734*	− 0.846**	− 0.795**	− 0.720*	− 0.811**	− 0.777**	− 0.778**	− 0.872**	0.858**	− 0.796**	− 0.840**	− 0.796**	− 0.840**	0.389	0.980**	1
Sug.	0.972**	0.981**	0.981**	0.966**	0.988**	0.967**	0.983**	0.992**	− 0.940**	0.984**	0.995**	0.953**	0.993**	− 0.392	− 0.857**	− 0.858**	1

*Correlation is significant at the P ≤ 0.05 level.
**Correlation is significant at the P ≤ 0.01 level, by using Pearson correlation coefficients. Where PH Plant height, SD Stem diameter, TLA Total leave area, HL Hypocotyl length, SFW Shoot fresh weight, RFW Root fresh weight, SDW Shoot dry weight, RDW Root dry weight, WC% Water content, Chl a Chlorophyll a, Chl b Chlorophyll b, ToCh Total Chlorophyll contents, Car. Carotenoid, ToCh/Car. Total Chlorophyll contents/Carotenoid, Nit. Nitrate content, Pro. Protein content, and Sug. Sugar content.

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