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Table 5 Origin and biological characterization of eight Mexican CTV isolates.

From: Sequence diversity on four ORFs of citrus tristeza virus correlates with pathogenicity

CTV Isolates

Locality (State)

Date sampling

ML/CM

G, ML or SwO/SO

   

VC

SP

D

P

Mx-Yuc

Ticul (Yucatán)

2000

1

N

0

0

Mx-QR

Chetumal (Quintana Roo)

2000

1

1

0

N

Mx-Ver

Martínez de la Torre (Veracruz)

1986

1

1

0

0

Mx-Mich

Apatzingán (Michoacán)

1990

2

1

0

0

Mx-NL

Montemorelos (Nuevo León)

1994

2

1

0

0

Mx-Col

Tecomán (Colima)

1997

2

1

0

0

Mx-BC

Mexicali (Baja California Norte)

1997

3

2

0

0

Mx-Tam

Güemez (Tamaulipas)

1983

3

3

2

3

  1. aIndicator species: ML, Mexican lime (Citrus aurantiifolia); CV; CM, Citrus macrophylla; SO, sour orange (Citrus aurantium); G, grapefruit (Citrus Paradisi); Sw, sweet orange (Citrus sinensis). bVC, vein clearing and SP, stem pitting, D, decline; P, pinholing or honeycombing of the inner surface of the bark. cSymptom intensity is scored from 1 to 3 with 1 being mild, 2 moderate and 3 severe.