Table 3: Mean CBSD foliar severity and CBSD incidence in local cassava landraces and improved genotypes.
Class |
Germplasm |
CBSD-S |
CBSD-I |
Class |
Germplasm |
CBSD-S |
CBSD-I |
Class |
Germplasm |
CBSD-S |
CBSD-I |
LCLs |
Shavirotsi |
1.6 ±0.5 |
66.7 |
LCLs |
Nya-Yenga |
4.0 ±0.7 |
53.3 |
LCLs |
Kitwa_b |
2.2 ±0.4 |
65 |
" |
Bwichina |
2.0 ±0.0 |
25 |
" |
Nya-Gang |
4.4 ±0.5 |
33.3 |
" |
Kitwa_c |
1.6 ±0.5 |
13.3 |
" |
Lunyalala |
2.0 ±1.2 |
20 |
" |
Nyal-Kada |
3.8 ±0.8 |
26.7 |
" |
Masokani_a |
2.6 ±0.5 |
50 |
" |
Shanina |
2.4 ±0.9 |
50 |
" |
Nya-Udai |
4.0 ±0.7 |
86.7 |
" |
Masokani_b |
2.6 ±0.5 |
46.7 |
" |
Mukulusu |
1.0 ±0.0 |
0 |
" |
Adhiambo Lera |
4.2 ±0.8 |
40 |
" |
Kaliluni |
1.0 ±0.0 |
0 |
" |
Itenyi |
2.8 ±0.4 |
80 |
" |
Nya-Bungoma |
4.0 ±0.7 |
50 |
" |
Muvila |
1.0 ±0.0 |
0 |
" |
Shisembe |
2.4 ±0.5 |
80 |
IPGs |
Lady Gay |
1.2 ±0.4 |
16.7 |
" |
Kalimbini_a |
1.0 ±0.0 |
0 |
" |
Inzakula |
1.8 ±0.4 |
40 |
IPGs |
Kiboko-297 |
1.2 ±0.4 |
0 |
" |
Kalimbini_b |
2.2 ±0.4 |
60 |
" |
Shitaho |
2.6 ±0.5 |
80 |
" |
Thika-272 |
1.0 ±0.0 |
0 |
" |
Kalimbini_c |
1.4 ±0.5 |
50 |
" |
Lugala |
2.4 ±0.5 |
66.7 |
" |
Thika-273 |
1.0 ±0.0 |
0 |
" |
Kalimbini_d |
1.2 ±0.4 |
10 |
" |
Lugusisti |
1.8 ±0.8 |
60 |
" |
Kiboko-275 |
1.0 ±0.0 |
0 |
" |
Kitivo |
1.8 ±0.4 |
46.7 |
" |
Banasa |
3.2 ±0.4 |
66.7 |
" |
Kiboko-274 |
1.0 ±0.0 |
0 |
" |
Kimutwa |
2.0 ±0.7 |
43.3 |
" |
Isambe |
1.8 ±0.4 |
40 |
" |
Thika-280 |
1.2 ±0.4 |
0 |
" |
Mumbuni |
2.6 ±0.5 |
40 |
" |
Isulu |
2.2 ±0.8 |
80 |
" |
Kiboko-300 |
1.0 ±0.0 |
0 |
IPGs |
Katsuhanzala |
3.2 ±0.4 |
100 |
" |
Ikholi |
2.0 ±0.7 |
80 |
" |
Kiboko-271 |
1.0 ±0.0 |
0 |
" |
Kasukari |
3.8 ±0.4 |
95 |
" |
Ingotse |
2.6 ±0.5 |
80 |
" |
Thika-279 |
1.2 ±0.4 |
0 |
" |
TC14 |
4.6 ±0.5 |
100 |
" |
Shikoti |
2.8 ±0.4 |
50 |
" |
Thika-289 |
1.0 ±0.0 |
0 |
" |
TC4-Katune |
3.8 ±0.4 |
100 |
" |
Shipalo |
3.2 ±0.4 |
62.5 |
" |
Kiboko-295 |
1.0 ±0.0 |
0 |
" |
99/0056 |
1.2 ±0.4 |
16.7 |
" |
Shamiloli |
2.0 ±0.0 |
66.7 |
" |
Kiboko-277 |
1.2 ±0.4 |
0 |
LCLs |
Halu |
3.0 ±1.0 |
23.3 |
" |
Madioli |
4.4 ±0.9 |
100 |
" |
Kiboko-276 |
1.0 ±0.0 |
0 |
" |
Kibandameno |
3.0 ±0.7 |
40 |
" |
Shiswa |
2.4 ±0.5 |
66.7 |
" |
Thika-278 |
1.0 ±0.0 |
0 |
" |
Tajirika |
2.8 ±0.4 |
23.3 |
" |
Magana |
2.0 ±0.0 |
43.3 |
" |
Kiboko-281 |
1.0 ±0.0 |
0 |
" |
Kaleso |
3.4 ±0.5 |
33.3 |
" |
Matuja |
2.2 ±0.4 |
30 |
" |
Kiboko-9 |
1.2 ±0.4 |
0 |
" |
Soyosoyo |
2.8 ±0.4 |
16.7 |
" |
Fumbachai |
2.6 ±0.5 |
40 |
" |
Kiboko-10 |
1.0 ±0.0 |
0 |
" |
Sokoke_I |
3.2 ±0.4 |
33.3 |
IPGs |
CK9 |
3.0 ±0.7 |
63.3 |
" |
Kiboko-11 |
1.0 ±0.0 |
0 |
" |
Sokoke_II |
2.6 ±0.5 |
40 |
" |
MM96/1871 |
2.0 ±0.7 |
56.7 |
" |
Kiboko-159 |
2.0 ±0.7 |
20 |
" |
Kakanjuni_I |
2.0 ±0.0 |
33.3 |
" |
MM97/0293 |
2.6 ±0.5 |
50 |
" |
Kiboko-257 |
1.0 ±0.0 |
0 |
" |
Kakanjuni_II |
2.0 ±0.0 |
23.3 |
" |
MM98/1313-HS |
1.0 ±0.0 |
0 |
" |
Kiboko-258 |
1.6 ±0.5 |
20 |
" |
Kakanjuni_III |
2.8 ±0.4 |
33.3 |
" |
MH95/0183 |
2.8 ±0.4 |
40 |
" |
Kiboko-259 |
1.0 ±0.0 |
0 |
" |
Mkongo_I |
3.0 ±0.7 |
20 |
" |
MM08/2206 |
1.0 ±0.0 |
0 |
" |
Kiboko-267 |
2.6 ±0.5 |
40 |
" |
Mkongo_II |
3.0 ±0.0 |
36.7 |
" |
MM96/0686 |
1.0 ±0.0 |
0 |
" |
Kiboko-268 |
2.0 ±0.7 |
0 |
" |
Cha-Vyango_I |
3.4 ±0.5 |
33.3 |
LCLs |
Aruaro |
3.4 ±0.5 |
33.3 |
" |
Kiboko-269 |
2.0 ±0.7 |
0 |
" |
Cha-Vyango_II |
3.2 ±0.4 |
20 |
" |
Othigo-Diep |
4.0 ±0.7 |
16.7 |
" |
Kiboko-270 |
3.8 ±1.3 |
66.7 |
" |
Chumani |
2.4 ±0.5 |
36.7 |
" |
Nyakatanegi_a |
3.6 ±1.1 |
53.3 |
LCLs |
Serere |
4.2 ±1.1 |
100 |
" |
Matano Manne |
1.8 ±0.4 |
33.3 |
" |
Nyakatanegi_b |
4.2 ±0.8 |
70 |
" |
Thika-5 |
4.4 ±0.5 |
75 |
IPGs |
KALRO |
3.4 ±0.5 |
56.7 |
" |
Nya-Uyoma |
4.0 ±1.0 |
50 |
LCLs |
Kasioni |
1.0 ±0.0 |
0 |
" |
Agriculture |
3.4 ±0.5 |
33.3 |
" |
Kamis |
3.4 ±1.5 |
83.3 |
" |
Kisimba |
1.0 ±0.0 |
0 |
|
|
|
|
" |
Nya-Uganda |
4.6 ±0.5 |
80 |
" |
Kitwa_a |
1.0 ±0.0 |
0 |
|
|
CBSD-S = CBSD severity; ±SD = standard deviations; CBSD-I = CBSD incidence; LCLs =Local landraces; IPGs = improved genotype; germplasm source: red = Kakamega (0°16'N; 34°45'E); green = Siaya (0°26'N; 33°58'E); blue = Kitui (0°10'S;37°50'E); pink = Makueni (1°48'S;37°37'E) and black = Kilifi (3°40'S;39°45'E)