Table 3. Screening of Musa clones for BSV with monoclonal and polyclonal antibodies by TAS-ELISA.

 

 

Musa Clone

 

 

 

 

Symptom

 

aMean absorbance value (n=3) at 405 nm at 1h substrate incubation time. bm.s.e. = + 0.015

BSV 3F9/1

Monoclonal Antibody

BSV 3D4/2

Monoclonal Antibody

BSV Mouse

antiserum

FHIA 1

Symptomless

0.073

0.065

0.091

FHIA 2

Symptomless

c0.333

0.199

0.287

FHIA 3

Symptomless

0.483

0.137

0.315

SH 3363

Yellow streak

0.077

0.066

0.08

SH 3436

Symptomless

0.071

0.069

0.087

SH 3640

Yellow streaks

0.99

0.294

0.501

TMPx 548-4

Yellow streaks

1.337

0.423

0.983

TMPx 548-9

Yellow streaks

0.438

0.194

0.4

TMPx 548-9

Yellow streaks

1.696

0.655

1.479

TMPx 582-4

Yellow streaks

0.592

0.235

0.493

TMPx 1112-1

Yellow streaks

1.18

0.335

0.892

TMPx 1658-4

Yellow streaks

1.939

0.831

1.236

TMPx 26378

Yellow streaks

0.654

0.364

0.615

TMPx 2796-5

Yellow streaks

0.519

0.233

0.479

TMPx 4698-1

Symptomless

0.068

0.086

0.07

TMPx 4698-1

Yellow streaks

0.768

0.21

0.659

TMPx 5511-2

Yellow streaks

1.24

0.339

0.938

TMPx 5511-2

Symptomless

0.066

0.067

0.089

TMPx 7002-1

Yellow streaks

1.123

0.299

0.705

TMPx 7152-2

Symptomless

0.44

0.163

0.37

TM 3x 26388

Yellow streaks

0.782

0.306

0.725

TM 3x 26388

Yellow streaks

0.81

0.246

0.801

TM 3x 26636 No 2

Yellow streaks

0.084

0.072

0.088

TMB2x 5105-1

Yellow streaks

0.412

0.196

0.396

Cardaba

Yellow streak

0.068

0.061

0.071

Lakanau

Yellow streaks

0.077

0.072

0.08

BSV infected plantain

Yellow streaks

1.876

0.542

1.251

Healthy plantain

Symptomless

0.061

0.06

0.062

aMean ELISA reading  that was at least twice that of healthy plantain leaf  (0.062) was indicative of the presence of BSV, and as such considered as a positive test for BSV.

bm.s.e.= Mean standard error.

      cThe bold ELISA readings were those scored positive for BSV.