Table 1: Summary of cultural characteristics of Alternaria solani isolates from Kirinyaga, Kiambu and Kajiado counties, Kenya.
Characteristic |
Kirinyaga n = 35 |
Kiambu n = 30 |
Kajiado n = 31 |
Overall n = 96 |
Mean CD (mm ± SD) |
78.60 ± 8.81a |
75.09 ± 7.62ab |
76.68 ± 8.58b |
74.77 ± 7.59 |
Range/mm |
66.0-85.0 |
66.5-83.5 |
65.5-84.0 |
|
Colony colour (Top)% |
|
|
|
|
Green |
17.1 (06) |
26.7 (08) |
45.2 (14) |
29.2 (28) |
Creamish white |
45.7 (16) |
6.7 (02) |
12.9 (04) |
22.9 (22) |
Greenish white |
37.1 (13) |
63.3 (19) |
41.9 (13) |
46.9 (45) |
Grey |
0 |
3.3 (01) |
0 |
1.0 (01) |
Pigmentation (Down)% |
|
|
|
|
Brown |
2.8 (01) |
66.7 (02) |
6.4 (02) |
5.2 (05) |
Creamish white |
60.0 (21) |
33.3 (10) |
58.1 (18) |
51.0 (49) |
Greenish brown |
37.1 (13) |
60 (18) |
35.5 (11) |
43.8 (42) |
Nature of margin (%) |
|
|
|
|
Irregular |
85.7 (30) |
33.3 (10) |
74.2 (23) |
55.2 (53) |
Regular |
14.3 (05) |
66.7 (20) |
25.8 (08) |
44.8 (43) |
Colony zonation (%) |
|
|
|
|
Concentric zonation |
40.0 (14) |
86.7 (26) |
64.5 (20) |
62.5 (60) |
No zonation |
60.0 (21) |
13.3 (04) |
35.5 (11) |
37.5 (36) |
CD-Average colony diameter. SD-Standard deviation. Means with similar letters in rows are not significantly different.
Figures in parentheses indicate frequencies of categorical variables