Agronomic Behaviour and Chemical Composition of Three Varieties of Pennisetum sp in the Peruvian Tropics
Table 1
Agronomic behaviour of three varieties of Pennisetum sp according to cutting age and interaction variety × cutting age1.
Variables
Plant height (cm)
Coverage (%)
Tillers (N/m2)
Biomass (kg/m2)
Dry matter (g·DM/100 g·MV)
Stem/leaf ratio
Variety
Maralfalfa
157.15 ± 18.77
23.73 ± 3.14
21.33 ± 2.30
2.91 ± 0.39
43.83 ± 4.82
2.41 ± 0.85
King grass
159.95 ± 17.78
25.10 ± 2.18
19.75 ± 1.50
2.51 ± 0.50
39.92 ± 4.12
3.27 ± 0.60
Cameroon
154.40 ± 19.15
17.65 ± 2.66
16.75 ± 1.71
2.19 ± 0.39
44.33 ± 4.67
2.79 ± 0.68
value
0.801
0.106
0.166
0.188
0.676
0.698
Cutting age
8th week
79.23 ± 6.11c
26.72 ± 3.12
22.50 ± 1.91a
1.25 ± 0.24c
28.75 ± 0.49b
2.34 ± 0.63
12th week
173.85 ± 6.70b
18.30 ± 2.00
19.91 ± 1.97b
2.50 ± 0.37b
48.33 ± 5.51a
2.74 ± 0.62
16th week
218.41 ± 6.00a
21.47 ± 2.74
15.41 ± 1.24c
3.87 ± 0.27a
51.00 ± 2.37a
3.39 ± 0.87
value
<0.001
0.078
0.021
<0.001
0.001
0.363
Block
B1
148.29 ± 19.25b
18.21 ± 2.31
17.00 ± 1.46
3.10 ± 0.47
38.33 ± 3.97
1.82 ± 0.25
B2
177.27 ± 20.80a
19.49 ± 3.02
21.89 ± 3.17
2.10 ± 0.51
45.44 ± 5.80
2.34 ± 0.66
B3
150.56 ± 23.08b
24.63 ± 3.30
16.89 ± 1.32
2.30 ± 0.50
43.00 ± 5.47
4.74 ± 1.24
B4
152.56 ± 22.25b
26.31 ± 3.73
21.33 ± 2.07
2.66 ± 0.50
44.00 ± 5.72
2.39 ± 0.48
value
0.020
0.173
0.147
0.143
0.697
0.43
Varietycutting age
Maralfalfa8th week
78.95 ± 17.35
28.80 ± 15.98
25.25 ± 8.26
1.24 ± 0.30
29.25 ± 1.50
1.59 ± 0.39
Maralfalfa12th week
172.65 ± 20.85
19.40 ± 4.24
23.00 ± 8.08
3.46 ± 0.44
49.50 ± 20.09
1.35 ± 1.26
Maralfalfa16th week
219.85 ± 32.45
23.00 ± 9.99
15.75 ± 5.74
4.04 ± 0.76
52.75 ± 13.45
4.27 ± 4.80
King grass8th week
86.60 ± 32.81
26.70 ± 7.58
22.50 ± 6.81
1.25 ± 0.31
29.00 ± 1.15
1.56 ± 0.57
King grass12th week
179.00 ± 31.51
25.20 ± 1.36
21.50 ± 3.00
1.86 ± 1.68
42.25 ± 21.17
4.41 ± 1.98
King grass16th week
214.25 ± 15.70
23.40 ± 11.97
15.25 ± 1.50
4.42 ± 0.81
48.50 ± 5.80
3.83 ± 2.33
Cameroon8th week
72.15 ± 11.19
24.65 ± 10.18
19.75 ± 5.12
1.26 ± 1.52
28.00 ± 2.45
3.86 ± 3.50
Cameroon12th week
169.90 ± 22.07
10.30 ± 2.56
15.25 ± 7.18
2.17 ± 1.05
53.25 ± 19.96
2.47 ± 2.29
Cameroon16th week
221.15 ± 15.42
18.00 ± 2.56
15.25 ± 5.74
3.15 ± 0.91
51.75 ± 4.50
2.05 ± 0.84
value
0.868
0.673
0.741
0.178
0.926
0.475
1Mean values ± standard error of the mean are presented. Different superscript letters in columns (a, b, c) represent significant differences at the < 0.05 level (), at the < 0.01 level (), or at the < 0.001 level () by multiple comparisons with Duncan’s test.
