Table 3 Summary ANOVA of the influence of year, location, and cross-combinations on pollination success at IITA (2010–2020).

From: Cross compatibility in intraspecific and interspecific hybridization in yam (Dioscorea spp.)

Sources of variation

ACR (%)

SPE (%)

MS

p value

MS

p value

D. rotundata

Year

4521.9

 < 0.001

1184.87

 < 0.001

Location

12,027.0

 < 0.001

935.39

 < 0.001

Cross combination

399,876

 < 0.001

116.88

 < 0.001

D. alata

Year

31,586

 < 0.001

5476.8

 < 0.001

Location

36,431

 < 0.001

1897.8

 < 0.001

Cross combination

460

 < 0.001

336.9

 < 0.001

  1. ACR = average cross-compatibility/crossability rate, SPE = seed production efficiency, MS = mean squares.
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