Table 3-6. Results of ANOVA testing the effects of plant age, leaf age and fertilization
 treatment on the leaf area consumed by one Coptocycla leprosa beetle in 24
 hr, with trial as a random block effect.




Source of variation df MS F P


Plant age 1 6.25 2.03 0.16

Leafage 1 10.99 3.58 0.061

Fertilization 1 18.41 5.99 0.016

Plant age x Leaf age 1 0.35 0.12 0.74

Plant age x Fertilization 1 5.40 1.76 0.19

Leaf age x Fertilization 1 11.38 3.70 0.056


Plant age x Leaf age x

 Fertilization

Trial

Error


3.38

28.02

3.08


1.10

9.11


 0.30

< 0.001