Research Article

Genetic Diversity and Population Differentiation of the Causal Agent of Citrus Black Spot in Brazil

Table 1

Number of isolates by sampling and intragroups genetic distances showed by groups of isolates from symptomatic tissues from the four different orange varieties in two geographic places.

Geographic originIsolatesNumber of isolatesIntragroups distance

Itaboraí/RJV—Valência/different plants240.01395
I—Valência/same plant240.01609
N—Natal/different plants240.00972
NA—Natal/same plant240.01474
PI—Pêra/different plants240.01498
PR—Pêra/same plant240.01276
FI—Folha Murcha/different plants240.01274
II—Folha Murcha/same plant240.02027

Estiva Gerbi/Conchal/SPVC—Valência/different plants240.01105
IV—Valência/same plant240.02191
NC—Natal/different plants240.01717
IN—Natal/same plant240.01025
PC—Pêra/different plants240.01167
IP—Pêra/same plant240.01041
FE—Folha Murcha/different plants240.01919
IE—Folha Murcha/same plant240.02500