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Table 3 Analysis of variance of AULEC from whole plant field inoculation of seven Phytophthora spp. on two Rhododendron cultivars

From: Growth, infection and aggressiveness of Phytophthora pathogens on Rhododendron leaves

Experiment Source DF F P
1 (18 °C) Species 6 58.81  < 0.001
  Cultivar 1 38.20  < 0.001
  Species*Cultivar 6 2.81 0.012
  Block 5 2.91 0.060
  Leaf(Block) 12 0.71 0.737
CB Species 6 39.24  < 0.001
  Block 5 5.86 0.006
  Leaf(Block) 12 0.36 0.975
LDP Species 6 23.92  < 0.001
  Block 5 1.97 0.156
  Leaf(Block) 12 0.74 0.705
2 (15 °C) Species 6 125.12  < 0.001
  Cultivar 1 18.92  < 0.001
  Species*Cultivar 6 3.54 0.002
  Block 5 0.39 0.845
  Leaf(Block) 12 1.15 0.322
CB Species 6 183.79  < 0.001
  Block 5 0.75 0.600
  Leaf(Block) 12 0.98 0.472
LDP Species 6 31.63  < 0.001
  Block 5 0.27 0.922
  Leaf(Block) 12 0.65 0.799
3 (4 °C) Species 6 130.58  < 0.001
  Cultivar 1 4.85 0.029
  Species*Cultivar 6 14.68  < 0.001
  Block 5 6.01 0.005
  Leaf(Block) 12 0.53 0.892
CB Species 6 120.04  < 0.001
  Block 5 2..92 0.059
  Leaf(Block) 12 0.26 0.994
LDP Species 6 45.37  < 0.001
  Block 5 7.37 0.002
  Leaf(Block) 12 0.60 0.834
4 (8 °C) Species 6 53.66  < 0.001
  Cultivar 1 4.41 0.037
  Species*Cultivar 6 1.67 0.130
  Block 5 41.49  < 0.001
  Leaf(Block) 12 0.13 1.000
CB Species 6 30.45  < 0.001
  Block 5 12.50  < 0.001
  Leaf(Block) 12 0.42 0.951
LDP Species 6 25.34  < 0.001
  Block 5 16.77  < 0.001
  Leaf(Block) 12 0.15 1.000
  1. Analysis of variance of AULEC (mm2 × days) (square root transformed). CB = Rhododendron cv. catawbiense ‘Boursault’; LDP = Rhododendron cv. catawbiense × unknown ‘Lee’s dark purple’. Bold P values are significant at < 0.05