Correlation between genetic distances and environmental parameters between landrace localities.

Environmental parameter distances are the logarithm of the absolute value of differences between parameters for each accession's location. r: Altitude; s: mean annual temperature; t: maximum temperature of the warmest month; u: minimum temperature of the coldest month; v: mean annual precipitation; w: precipitation of driest month; x: precipitation of wettest month.*Significant (0.001**Non-signficant (p>0.05); all other values indicated were significant (p