Table 1 Yield constitutive parameters and contribution of each trait to stalk-related traits in silage maize. *p<0.05, ** p<0.001.

From: Response of stalk lodging resistance traits, yield and quality of silage maize to high density

Item

Unstandardized cofficient

Standardized cofficient

t

P

\({R^{2}}\)

Contribution/%

Value

Standard error

Model

38.266

91.041

 

0.420

0.680

0.928

 

Big vascular(\(\text {x}_{_{1}}\))

-0.065*

0.032

-0.492

-2.054

0.058

 

5.39%

Small vascular(\(\hbox {x}_{_{2}}\))

-0.083*

0.04

-0.688

-2.106

0.052

 

6.14%

Mechanical tissue layers(\(\hbox {x}_{_{3}}\))

4.807**

2.008

0.571

2.395

0.03

 

5.09%

Varities(\(\hbox {x}_{_{4}}\))

11.833**

2.46

1.593

4.81

0.000

 

14.21%

Density(\(\hbox {x}_{_{5}}\))

-8.529*

4.575

-1.148

-1.864

0.082

 

10.24%

VT Rind penetration strength

-

-

0.639

1.46

0.165

 

5.70%

Mechanical tissue thickness

-

-

-0.186

-0.72

0.483

 

1.66%

VT Bending strength

-

-

-0.583

-0.929

0.368

 

5.20%

Maximum diameter

-

-

-0.82

-0.415

0.684

 

7.31%

Minimal diameter

-

-

1.96

1.099

0.289

 

17.48%

Cross sectional area

-

-

-2.53

-0.698

0.496

 

21.57%