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Table 2 Degrees of freedom (D. F.), χ2 and P-value of the generalized linear mixed-effects model analysis testing the effects of seed species (Ipomoea murucoides, I. pauciflora), Type of canopy (I. murucoides, I. pauciflora, control area) and seed proportion of I. murucoides: I.pauciflora (8:0, 6:2, 4:4, 2:6 and 0:8) on seedling emergence of I. murucoides and I. pauciflora

From: Density-dependent effect of allelopathy on germination and seedling emergence in two Ipomoea species

Source of variation D.F. χ2 P
Seed species 1 9.286 0.0023
Type of canopy 2 1.0029 0.6057
Seed density 1 0.3334 0.5637
Seed species × Type Canopy 2 1.2769 0.5281
Seed species × Seed density 1 0.3685 0.5438
Type of Canopy × Seed density 2 5.8182 0.0545
Seed species × Type of Canopy × Seed density 2 1.8806 0.3905