Establishment of the Causal Agent(s) of Spike Shedding and Stem Wilting of Pepper (Piper nigrum L.) in Morogoro District, Tanzania
Table 4
Prevalence of spike shedding based on yield attributing components.
No. of spikes/column at different heights
Percentage (%) of berry per spike
Cultivars
Spike length (cm)
No. of spikes/100 leaves
1 m
2 m
No. of flowers spike−1
No. of well-developed berries spike−1
Full-size (berry set)
Intermediate-size
Undeveloped berries
Babu kubwa
12.4c
65.0b
86.6ab
105.5a
93.5b
48.1ab
51.3a
34.0b
12.7a
Babu ndogo
5.9a
37.7a
73.6a
127.5b
55.4a
35.9a
65.0ab
26.3ab
6.7a
Babu kati
10.6b
76.5b
141.3c
183.7c
90.7b
40.2ab
46.7a
15.3a
36.0b
Ismailia
10.6b
71.2b
121.0bc
254.4d
67.6a
58.0b
86.0b
10.7a
1.3a
Mean
9.9
62.6
105.6
167.8
76.8
45.6
62.2
21.6
14.2
SE±
0.31
9.72
16.85
7.92
6.41
7.09
9.81
6.70
6.40
CV%
4.7
5.1
2.4
1.3
5.0
4.7
19.3
38.0
55.3
Fpr
<0.001
0.028
0.023
<0.001
0.003
0.079
0.026
0.046
0.007
Means bearing the same letter(s) within the column are insignificantly () different according to Duncan’s multiple range test. Fpr, F distribution probability; CV, coefficient of variation; SE±, standard error.
