Research Article

The Symptom and Genetic Diversity of Cassava Brown Streak Viruses Infecting Cassava in East Africa

Table 3

The rate of graft transmission of six CBSD isolates to different cassava varieties.

Cassava varietyNumber of plants infected/grafted with each virus isolateTotal number of infected/grafted plants1 (%)
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]

Albert4/53/54/54/55/55/525/30 (83.3)
Kiroba3/54/54/55/55/55/526/30 (86.6)
Ebwanateraka3/54/53/53/55/55/523/30 (76.6)
Colombian3/54/53/54/55/55/524/30 (80.0)
TMS 604442/54/53/54/55/55/523/30 (76.6)

Total number of infected/grafted plants2 (%)15/25 (60.0)19/25 (76.0)17/25 (68.0)20/25 (80.0)25/25 (100)25/25 (100)121/150 (80.7)

1Number of infected plants for each cassava variety.
2Number of infected plants for each virus isolate.