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Table 2 Effect estimates and degrees of freedom of split-plot ANOVA for plant vegetation and reproductive growth in Nanchang site

From: Characterization of competitive interactions in the coexistence of Bt-transgenic and conventional rice

  DF RIT a Biomass Ear length Viable seeds Hollow seeds Seed weight RA a
Infection (I) 1 30.1* 4.44 16.7 2.54 75.6* 26.0* 148**
Percentage(P) 4 1.35 1.31 2.17 0.61 1.86 0.33 0.62
I × P 4 1.63 1.25 1.28 1.43 0.96 1.64 1.60
Density (D) 2 317*** 873*** 55.1*** 28.6*** 17.4*** 239*** 23.8***
I × D 2 17.2*** 0.91 1.70 0.31 0.01 6.78** 0.99
P × D 8 1.70 1.12 1.90 1.75 0.61 1.11 0.91
I × P × D 8 2.68* 1.44 2.23* 0.63 1.96 1.35 0.90
Plant type (T) 1 0.19 3.46 0.01 2.25 3.05 0.01 0.43
I × T 1 0.00 0.17 1.97 3.59 1.30 0.03 0.05
P × T 2 5.56** 0.89 2.72 2.88 4.38* 0.78 1.19
D × T 2 1.08 3.32* 0.08 1.07 1.34 0.08 1.30
I × P × T 2 0.33 0.27 2.27 0.36 4.21* 0.44 0.10
I × D × T 2 0.06 0.05 1.55 1.09 1.74 0.20 0.72
P × D × T 4 0.92 0.46 0.46 0.43 0.19 0.96 0.09
I × P × D × T 4 1.32 0.31 0.27 0.43 0.52 1.39 1.22
  1. *, **and ***indicate significant difference at the P < 0.05, P < 0.01 and P < 0.001 levels.
  2. aRIT, indicates the rate of invalid tillers; RA, reproductive allocation.