TABLE 4.

Regression analysis summary of predictive models for yield predicting qualitative seed variables.

	Unstandardized coefficients		Standardized coefficients		R2	F	p
Model	b	SE	β	p
SW = b1 + Yield*b2					0.000	0.004	0.952
VR = b1 + Yield*b2					0.455	43.440	0.000
Intercept	−1.193	7.908		0.881
Yield	23.689	3.594	0.675	0.000
GR = b1 + Yield*b2					0.133	7.952	0.007
Intercept	0.475	0.071		0.000
Yield	0.091	0.032	0.364	0.007
TFC = b1 + Yield*b2					0.160	9.940	0.003
Intercept	0.054	0.006		0.000
Yield	0.009	0.003	0.401	0.003
TPC = b1 + Yield*b2					0.213	14.043	0.000
Intercept	1.877	0.253		0.000
Yield	0.430	0.115	0.461	0.000
FRAP = b1 + Yield*b2					0.152	9.308	0.004
Intercept	9.304	0.704		0.000
Yield	0.976	0.320	0.390	0.004
Protein = b1 + Yield*b2					0.289	21.174	0.000
Intercept	2.868	0.057		0.000
Yield	−0.119	0.026	−0.538	0.000
P = b1 + Yield*b2					0.010	0.540	0.466
K = b1 + Yield*b2					0.293	21.593	0.000
Intercept	1.010	0.046		0.000
Yield	0.098	0.021	0.542	0.000
Ca = b1 + Yield*b2					0.023	1.175	0.283
Mg = b1 + Yield*b2					0.151	9.224	0.004
Intercept	0.243	0.005		0.000
Yield	−0.007	0.002	−0.388	0.004
Na = b1 + Yield*b2					0.015	0.755	0.389
Fe = b1 + Yield*b2					0.122	0.725	0.010
Intercept	99.342	4.080		0.000
Yield	−4.979	1.854	−0.349	0.010
Cu = b1 + Yield*b2					0.000	0.019	0.892
Mn = b1 + Yield*b2					0.064	3.488	0.068
Intercept	45.421	3.670		0.000
Yield	−3.087	1.653	−0.253	0.068
Zn = b1 + Yield*b2					0.208	13.670	0.001
Intercept	37.765	2.285		0.000
Yield	−3.839	1.038	−0.456	0.001

Simple linear regression analyses were performed. SE, standard error; SW, seed weight; VR, Viability rate; GR, germination rate; TFC, total flavonoid content; TPC, total phenolic content; FRAP, antioxidant capacity.