The Symptom and Genetic Diversity of Cassava Brown Streak Viruses Infecting Cassava in East Africa
Table 4
The effects of CBSD infections on the sprouting of cassava stem cuttings.
Cassava variety
Number of cuttings sprouted/planted when infected with each isolate3
Total number of sprouted/planted cuttings1 (%)
CBSUV-
CBSV-
[UG:Kab4-3:07]
[KE:Mwa16-2:08]
[TZ:Kib10-2:03]
[TZ:Zan6-2:08]
[MZ:Nam1-1:07]
[TZ:Nal3-1:07]
Albert
9/10
9/10
8/10
9/10
9/10
9/10
53/60 (88.3)
Kiroba
10/10
8/10
10/10
9/10
8/10
6/10
51/60 (85.0)
Ebwanateraka
10/10
7/10
10/10
8/10
9/10
10/10
54/60 (90.0)
Colombian
10/10
10/10
8/10
10/10
9/10
10/10
57/60 (95.0)
TMS 60444
9/10
10/10
10/10
5/10
4/10
2/10
40/60 (66.6)
Total number of sprouted/planted cuttings2 (%)
48/50 (96.0)
44/50 (88.0)
46/50 (92.0)
41/50 (82.0)
39/50 (78.0)
37/50 (74.0)
255/300 (85.0)
1Number of sprouted and fully grown plants for each cassava variety. 2Number of sprouted and fully grown plants for each virus isolate. 3All 10 cuttings were obtained from plants infected with viruses and showing typical CBSD symptoms.
