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Colombia, the world's top producer of washed arabica, has
855,000 hectares (2.1 million acres) of coffee crops, while some
500,000 families depend on the industry.
Since 1983, when rust was first detected in the South American
country, the National Center for Investigations of Coffee (Cenicafe)
- the federation's scientific arm - has identified 22 varieties
of the rust.
"I call on coffee producers to build or renew their crops with
resistant varieties, using certified seeds," the federation's
director general, Roberto Velez, said in a statement.
Coffee rust is a disease caused by the fungus Hemileia vastatrix,
which attacks the leaves of coffee plants and ruins crops.
In Colombia, the climate and altitude of coffee crops are
favorable for coffee rust, Cenicafe director Alvaro Gaitan said.
Coffee rust, the most common disease affecting coffee plants in
the world, is present in all producing countries and can cause
losses of between 30% and 80% in susceptible plant varieties
when outbreaks are not managed quickly.
Resistant plant varieties account for just over 84% of
Colombia's coffee crops, with susceptible varieties making up
the remaining 16%.
Regular measurements show that while the average incidence of
rust in susceptible varieties is 20% or more, it is 6% or less
in resistant varieties.
(Reporting by Luis Jaime Acosta; Writing by Oliver Griffin;
Editing by Peter Cooney)
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