Study design/Study A

The data were analysed as a randomised block to determine mean accession values.

      Source of variation

      d.f.

      Replicate

       2

      Accession

      52

      Residual

      101

      Total

      155

Multivariate methods were applied to the 53 accession means using cluster and principal component analyses (Van de Wouw et al.,1999).

Both the randomised block analysis and the multivariate methods of analysis are shown under Statistical modelling.