Table 2 Pearson correlation coefficients (r⁴) among different studied attributes of water stressed wheat plants exogenously supplied with different levels of alpha tocopherols at heading stage.

From: Alpha-tocopherol fertigation confers growth physio-biochemical and qualitative yield enhancement in field grown water deficit wheat (Triticum aestivum L.)

Variables	SFW	SDW	LRWC	LWP	Chl a	Chl b	Car.	A	E	Ci	gs	A/E	A/gs	L Alp toc
SFW	1	0.988***	0.950***	−0.939***	0.836***	0.976***	−0.834***	0.968***	0.980***	0.967***	0.948***	0.877***	0.589***	−0.832***
SDW	0.988***	1	0.959***	−0.948***	0.820***	0.984***	−0.832***	0.990***	0.987***	0.966***	0.957***	0.923***	0.636***	−0.825***
LRWC	0.950***	0.959***	1	−0.997***	0.739***	0.981***	−0.883***	0.975***	0.974***	0.908***	0.993***	0.928***	0.516***	−0.869***
LWP	−0.939***	−0.948***	−0.997***	1	−0.737***	−0.977***	0.868***	−0.963***	−0.960***	−0.902***	−0.992***	−0.930***	−0.480***	0.864***
Chl a	0.836***	0.820***	0.739***	−0.737***	1	0.828***	−0.416*	0.766***	0.760***	0.888***	0.724***	0.746***	0.543***	−0.446*
Chl b	0.976***	0.984***	0.981***	−0.977***	0.828***	1	−0.828***	0.984***	0.977***	0.970***	0.969***	0.943***	0.601***	−0.813***
Chl a/b	−0.191 ns	−0.220 ns	−0.331 ns	0.320 ns	0.356 ns	−0.223 ns	0.669***	−0.304 ns	−0.311 ns	−0.091 ns	−0.335 ns	−0.244 ns	−0.098 ns	0.580***
T chl	0.922***	0.915***	0.859***	−0.856***	0.978***	0.926***	−0.585***	0.878***	0.872***	0.955***	0.845***	0.849***	0.587***	−0.600***
Car	−0.834***	−0.832***	−0.883***	0.868***	−0.416	−0.828***	1	−0.871***	−0.897***	−0.730***	−0.880***	−0.744***	−0.484***	0.965***
A	0.968***	0.990***	0.975***	−0.963***	0.766***	0.984***	−0.871***	1	0.991***	0.944***	0.965***	0.945***	0.663***	−0.851***
E	0.980***	0.987***	0.974***	−0.960***	0.760***	0.977***	−0.897***	0.991***	1	0.932***	0.966***	0.896***	0.631***	−0.883***
Ci	0.967***	0.966***	0.908***	−0.902***	0.888***	0.970***	−0.730***	0.944***	0.932***	1	0.895***	0.911***	0.658***	−0.720***
gs	0.948***	0.957***	0.993***	−0.992***	0.724***	0.969***	−0.880***	0.965***	0.966***	0.895***	1	0.919***	0.449*	−0.888***
A/E	0.877***	0.923***	0.928***	−0.930***	0.746***	0.943***	−0.744***	0.945***	0.896***	0.911***	0.919***	1	0.612***	−0.723***
Ci/Ca	0.967***	0.966***	0.908***	−0.902***	0.888***	0.970***	−0.730***	0.944***	0.932***	1.000***	0.895***	0.911***	0.658***	−0.720***
A/gs	0.589***	0.636***	0.516**	−0.480	0.543**	0.601***	−0.484**	0.663***	0.631***	0.658***	0.449*	0.612***	1	−0.387*
LMDA	−0.915***	−0.926***	−0.987***	0.990***	−0.731***	−0.956***	0.837***	−0.943***	−0.941***	−0.864***	−0.981***	−0.910***	−0.445*	0.823***
L RMP	−0.919***	−0.928***	−0.981***	0.986***	−0.781***	−0.960***	0.797***	−0.939***	−0.935***	−0.881***	−0.973***	−0.915***	−0.458*	0.792***
L H2O2	−0.910***	−0.921***	−0.990***	0.992***	−0.710***	−0.960***	0.860***	−0.946***	−0.942***	−0.869***	−0.975***	−0.917***	−0.483**	0.833***
L AsA	−0.772***	−0.776***	−0.844***	0.825***	−0.355 ns	−0.776***	0.984***	−0.830***	−0.861***	−0.657***	−0.828***	−0.686***	−0.511**	0.937***
L Flav	−0.805***	−0.809***	−0.848***	0.844***	−0.458*	−0.811***	0.943***	−0.854***	−0.876***	−0.729***	−0.838***	−0.734***	−0.567***	0.954***
L Ph	−0.810***	−0.798***	−0.860***	0.867***	−0.466*	−0.812***	0.930***	−0.826***	−0.861***	−0.718***	−0.867***	−0.706***	−0.384*	0.972***
L Alp toc	−0.832**	−0.825***	−0.869***	0.864***	−0.446*	−0.813***	0.965***	−0.851***	−0.883***	−0.720***	−0.888***	−0.723***	−0.387*	1
S SOD	−0.758***	−0.757***	−0.834***	0.832***	−0.345 ns	−0.751***	0.951***	−0.793***	−0.832***	−0.619***	−0.854***	−0.657***	−0.295 ns	0.982***
L POD	−0.735***	−0.730***	−0.809***	0.799***	−0.308	−0.737***	0.966***	−0.780***	−0.822***	−0.614***	−0.796***	−0.626***	−0.440*	0.933***
L CAT	−0.802***	−0.816***	−0.890***	0.887***	−0.435*	−0.830***	0.964***	−0.869***	−0.883***	−0.718***	−0.885***	−0.776***	−0.482**	0.967***
L APX	−0.709***	−0.710***	−0.813***	0.806***	−0.274 ns	−0.714***	0.955***	−0.762***	−0.799***	−0.565**	−0.823***	−0.630***	−0.289 ns	0.960***
S CAT	−0.779***	−0.803***	−0.822***	0.840***	−0.869***	−0.842***	0.468**	−0.786***	−0.753***	−0.810***	−0.825***	−0.855***	−0.335 ns	0.512**
S APX	−0.569**	−0.574**	−0.716***	0.700***	−0.118 ns	−0.597***	0.906***	−0.654***	−0.687***	−0.427*	−0.700***	−0.533**	−0.298 ns	0.848***
S Alp toc	−0.336 ns	−0.346 ns	−0.500**	0.477**	0.118 ns	−0.374*	0.770***	−0.451*	−0.479**	−0.205 ns	−0.466*	−0.338 ns	−0.291 ns	0.678***
S gam toc	−0.786***	−0.791***	−0.894***	0.883***	−0.423	−0.821***	0.953***	−0.851***	−0.870***	−0.689***	−0.867***	−0.754***	−0.489**	0.886***
S gam toc	−0.771***	−0.768***	−0.842***	0.829***	−0.366	−0.784***	0.973***	−0.824***	−0.852***	−0.676***	−0.816***	−0.695***	−0.536**	0.910***
S flav	−0.885***	−0.889***	−0.934***	0.919***	−0.528**	−0.892***	0.988***	−0.926***	−0.946***	−0.800***	−0.921***	−0.809***	−0.559**	0.948***
S Ph	−0.802***	−0.813***	−0.890***	0.876***	−0.436*	−0.835***	0.970***	−0.874***	−0.888***	−0.725***	−0.863***	−0.775***	−0.575**	0.914***
DTH	0.934***	0.948***	0.916***	−0.915***	0.906***	0.956***	−0.655***	0.921***	0.902***	0.952***	0.914***	0.920***	0.523**	−0.651***
FT	0.981***	0.986***	0.929***	−0.919***	0.889***	0.977***	−0.755***	0.962***	0.960***	0.984***	0.923***	0.900***	0.635***	−0.762***
Spk L	0.975***	0.979***	0.988***	−0.985***	0.825***	0.991***	−0.828***	0.977***	0.976***	0.946***	0.983***	0.932***	0.543**	−0.825***
Spkt/Spk	0.967***	0.970***	0.940***	−0.934***	0.912***	0.976***	−0.718***	0.950***	0.940***	0.970***	0.934***	0.921***	0.573**	−0.717***
NOG/plant	0.962***	0.972***	0.993***	−0.986***	0.730***	0.981***	−0.910***	0.987***	0.990***	0.917***	0.985***	0.917***	0.575**	−0.899***
100 G Wt	0.977***	0.989***	0.948***	−0.941***	0.824***	0.981***	−0.812***	0.975***	0.976***	0.964***	0.945***	0.904***	0.624***	−0.815***
yield/plant	0.962***	0.972***	0.993***	−0.986***	0.730***	0.981***	−0.910***	0.987***	0.990***	0.917***	0.985***	0.917***	0.575**	−0.899***
DTM	0.964***	0.955***	0.959***	−0.964***	0.822***	0.980***	−0.805***	0.946***	0.941***	0.963***	0.960***	0.922***	0.496**	−0.820***

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Table 2 Pearson correlation coefficients (r⁴) among different studied attributes of water stressed wheat plants exogenously supplied with different levels of alpha tocopherols at heading stage.

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