Table 1. Symptom severity and infectivity of BSCTV in the ATHB12 KD and Ws-O.
| Symptom Severity | |||
| aAsymptomatic | bMild Symptoms | cSevere Symptoms | |
| Plant Line | α/N (%) | α/N (%) | α/N (%) |
| Ws-O | 1/74 (1) | 23/74 (31) | 50/74 (68) |
| ATHB12 KD | 10/71 (14) | 31/71 (44) | 30/71 (42) |
a
Asymptomatic: Inoculated plants were indistinguishable from mock-inoculated plants and inflorescence bolts did not exhibit any abnormal structures.
b
Mild symptoms: Mild curling of inflorescence shoot tips and inflorescence bolt height was comparable to control plants.
c
Severe symptoms: Severe curling of bolts, malformed inflorescence structures, and severe stunting of plants.