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Table 3 Results of two seasons of field-based powdery mildew evaluations with selected accessions

From: Identification of mildew resistance in wild and cultivated Central Asian grape germplasm

   A B C
   Genotype Date Bed Genotype Date Bed Genotype Date Bed Year
Leaf Numb.parm. 64 1 2 43 1 4 8 1 4 1
  DF 64 1 2 43 1 4 8 1 4 1
  L-R χ2 809.51 11.10 2.70 528.44 21.78 5.16 249.31 0.01 7.71 12.19
  P-value <0.0001* 0.0009* 0.2594 <0.0001* <0.0001* 0.2715 <0.0001* 0.9094 0.1029 0.0005*
Cane Numb.parm. 64 1 2 43 1 4 8 1 4 1
  DF 64 1 2 43 1 4 8 1 4 1
  L-R χ2 744.91 16.05 4.30 290.99 412.48 1.97 137.04 22.09 1.80 64.62
  P-value <0.0001* <0.0001* 0.1163 <0.0001* <0.0001* 0.7416 <0.0001* <0.0001* 0.7731 <0.0001*
  1. Control plants of known resistant and susceptible accessions were used for both years. (A) Results for all accessions tested in 2009; (B) results for accessions tested in 2010; (C) Comparison of accessions that were common to both years. The number of field nursery beds and genotypes are noted.
  2. *Indicates statistically significant P values.