Table 6 Results of the GLM model for PHt with block, “Powdery mildew exposure”, “Family”, and “Family:Powdery mildew exposure” as explanatory variables. The model was applied to the initial population (first table) and the surviving population (second table)

Initial population/dependent: PHt

 Block

2

0.0003560

0.0001780

0.36

0.6949

 Powdery mildew exposure

1

0.0000577

0.0000577

0.12

0.7312

 Family

14

0.0532739

0.0038053

7.78

< .0001

 Powdery mildew exposure:Family

14

0.0053766

0.000384

0.79

0.6858

Surviving population/dependent: PHt

 Block

2

0.0004039

0.0002019

0.59

0.5568

 Powdery mildew exposure

1

0.0000053

0.0000053

0.02

0.9015

 Family

14

0.0313628

0.0022402

6.50

< .0001

 Powdery mildew exposure:Family

14

0.0080025

0.0005716

1.66

0.0598