Table 5: The clustering analysis results of 321 lowland rice genotypes.

Clusters

I

II

III

IV

V

Number of genotypes

36

126

72

43

44

Within-class variance

296.83

309.69

318.83

212.68

330.14

Minimum distance to centroid

4.81

3.60

4.97

4.50

6.81

Average distance to centroid

15.79

15.78

16.49

12.95

16.39

Maximum distance to centroid

30.43

53.64

33.63

44.04

47.40