Table 4. Virus prevalence and mixed infection prevalence of 52 cowpea plants based on VANA-based and RT-PCR-based detection results.
Virus infection | VANA | RT-PCR |
---|---|---|
Symptomatic field samples | 40/44 (90.9%) | 41/44 (93.2%) |
Asymptomatic field samples | 0/3 (0%) | 0/3 (0%) |
Symptomatic “seedlings” samples | 4/4 (100%) | 1/4 (25%) |
Asymptomatic “seedlings” samples | 1/1 (100%) | 0/1 (0%) |
CABMV | 41/52 (78.84%) | 38/52 (73.07%) |
BCMV-BlCM | 2/52(3.84%) | 2/52 (3.84%) |
CPMoV | 3/52(5.77%) | 4/52 (7.69%) |
SCPMV | 3/52 (5.77%) | 3/52 (5.77%) |
Cowpea polerovirus 1 | 9/52 (17.3%) | 9/52 (17.3%) |
Cowpea polerovirus 2 | 1/52 (1.9%) | 1/52 (1.9%) |
Cowpea tombusvirid 1 | 1/52 (1.9%) | 4/52 (1.9%) |
Cowpea tombusvirid 2 | 1/52 (1.9%) | 1/52 (1.9%) |
Cowpea associated mycotymovirid 1 | 1/52 (1.9%) | 5/52 (9.6%) |
Single viral infectiona | 28/52 (53.84%) | 22/52 (42.3%) |
Double viral infectionb | 16/52 (30.77%) | 15/52 (28.84%) |
Triple viral infectionc | 1/52 (1.9%) | 4/52 (7.69%) |
Quadruple viral infectiond | 0.00% | 1/52 (1.9%) |
a: single infections consist of infection of: CABMV; BCMV-BlCM; Cowpea tombusvirid 1 or SCPMV
b: double infections consist of mixed infection of: CABMV / SCPMV; CABMV / CPMoV; CABMV / Cowpea associated mycotymovirid 1; CABMV / Cowpea tombusvirid 2; CABMV / Cowpea polerovirus 1; BCMV-BlCM / Cowpea polerovirus 1 or CABMV / Cowpea polerovirus 2
c: triple infections consist of mixed infection of: CABMV / SCPMV / CPMoV; CABMV / Cowpea tombusvirid 2 / Cowpea associated mycotymovirid 1 or CABMV / Cowpea polerovirus 1 / Cowpea tombusvirid 1
d: quadruple infections consist of mixed infection of: CABMV / Cowpea polerovirus 1 / Cowpea tombusvirid 1 / Cowpea associated mycotymovirid 1