Hrideek et al.
Table 3. Correlation analysis of morphometric characters of Vetiveria zizanioides - characters correlated.
Number of
Sl. No.
Character
Characters correlated
characters correlated
1
Plant height
Leaf length, fresh weight- shoot
2
2
Leaf length
Plant height
1
3
Leaf breadth
Root length
1
4
Number of tillers
Dry weight- shoot
1
5
Leaves per tiller
Nil
0
6
Tiller girth
Nil
0
7
Root length
Leaf breadth
1
8
Number of roots per tiller
Fresh weight- root, fresh weight- shoot, dry weight- root
3
9
Fresh weight-root
Number of roots per tiller, dry weight- root
2
10
Fresh weight- shoot
Plant height, number of roots per tiller, dry weight- shoot
3
11
Dry weight- root
Number of roots per tiller, fresh weight- root, dry weight- shoot
3
12
Dry weight- shoot
Fresh weight- shoot, dry weight- root
2
Table 4. Factor analysis in Vetiveria zizanioides - eigen values, percentage of total variance, cumulative eigen values and
cumulative percentage of variance
Eigen value
% Total variance
Cumulative eigen value
Cumulative% of variance
3.642403
30.35336
3.642403
30.35336
2.417783
20.14819
6.060186
50.50155
1.878536
15.65447
7.938723
66.15602
1.624195
13.53496
9.562918
79.69098
Table 5. Factor analysis in Vetiveria zizanioides - factor loadings
Characters
Factor 1
Factor 2
Factor 3
Factor 4
Plant height
-0.387419
0.800093
-0.290446
-0.238622
Leaf length
-0.262334
0.507822
-0.641989
0.301717
Leaf breadth
0.112490
0.686507
0.517065
-0.261687
No of tillers
-0.573921
-0.494207
0.078531
-0.136862
Leaves/ tiller
0.090637
-0.318354
0.619626
-0.318474
Tiller girth
0.490039
0.330730
0.238441
-0.539921
Root length
0.100166
0.626757
0.536721
0.299711
No of roots/ tiller
-0.827819
-0.017404
0.164818
0.154404
Fresh weight- root
-0.596684
0.215680
0.484907
0.501260
Fresh weight- shoot
-0.730909
0.316760
-0.179221
-0.528508
Dry weight- root
-0.833437
-0.087504
0.291080
0.206237
Dry weight- shoot
-0.743574
-0.214119
-0.022294
-0.556135
240