Smooth and wrinkled pea cultivars were studied to evaluate the protein content of the seeds, the proportion of albumins to globulins and the variability of the vicilin/legumin ratio. Principal components analysis showed a strong negative correlation between albumin and globulin contents. Stepwise discriminant analysis demonstrated that two variables, protein content and vicilin/legumin ratio, divided the samples into smooth and wrinkled cultivars with a percentage of success of 95%. In addition, the vicilin/legumin ratio tended to increase, the lower the protein content is.
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Guéguen et al. (1988) studied this question.
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