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Table 3 Test of between-subjects effects concerning mortality

From: Effectiveness of binary combinations of Plectranthus glandulosus leaf powder and Hymenocardia acida wood ash against Sitophilus zeamais (Coleoptera: Curculionidae)

Source

Sum of squares

df

Mean square

F

Signification

Product

37794.240

4

9448.560

97.007

< 0.0001

Days after infestation

97,723.529

3

32,574.510

334.436

< 0.0001

Content

145,458.329

4

36,364.582

373.348

< 0.0001

Product × days after infestation

18,876.462

12

1573.039

16.150

< 0.0001

Product × content

10,291.142

16

643.196

6.604

< 0.0001

Days after infestation × content

25,227.056

12

2102.255

21.583

< 0.0001

Product × days after infestation × content

6185.378

48

128.862

1.323

0.086

Error

29,220.380

300

97.401

  

Total

857,756.358

400

   
  1. df degree of freedom