Meanwhile, researchers say teasing apart the genetic machinery
of coffee rust is relevant not only to coffee lovers but also to our global food supply.
A major transformation took place in the 1970s when nearly all plantations began the use of agrochemicals and shade trees were removed to help prevent the spread
of coffee rust.
The proliferation
of coffee rust infestations over the past few years has created additional challenges.
We are particularly pleased to note that in spite of the challenging external situations coffee farmers were facing — including severe climatic conditions; extremely high fertilizer prices, Coffee Berry Borer (CBB) infestation and a severe outbreak
of coffee rust — better agricultural practices meant UTZ farmers were able to maintian their yield and actually increase their productivity and income.»
Not exact matches
Every time a customer purchases a bag
of coffee in one
of Starbucks participating U.S. stores over the next year, a
rust - resistant
coffee tree will be planted on a C.A.F.E. Practices farm.
However, due to changing rainfall, storm, and drought patterns and intensities, an onslaught from
coffee rust — a fungus that decimates
coffee plants — and a lack
of rural extension services, income from
coffee is usually not enough.
Another factor is the prevalence
of various diseases and pests, including
coffee berry disease (Colletotrichum coffeanum),
coffee leaf
rust (Hemileia vastatrix), and
coffee berry borer (Hypothenemus hampei).
For instance, 40 % shade canopy coverage was previously recommended for
coffee in much
of Central America, but these recommendations are changing in some places as
coffee rust decimates
coffee crops.
Thanks to the support
of our customers, we're also donating millions
of disease - resistant trees to help farmers fight threats like
coffee leaf
rust.
The most sustainable result, however, was the launch
of World
Coffee Research's global coffee breeding program for rust resistance and climate resilience, and the establishment of a global network of trial sites to advance knowledge on coffee variety perfor
Coffee Research's global
coffee breeding program for rust resistance and climate resilience, and the establishment of a global network of trial sites to advance knowledge on coffee variety perfor
coffee breeding program for
rust resistance and climate resilience, and the establishment
of a global network
of trial sites to advance knowledge on
coffee variety perfor
coffee variety performance.
Its goal — to raise enough funds by the end
of 2016 to plant 20 million
coffee seedlings to replace trees that are declining in productivity due to age and disease, such as
coffee leaf
rust.
To add to the already limited resource
of Arabica beans, «Leaf
Rust,» an orange - colored fungus that grows on the
coffee leaves, has also taken a dramatic toll on the
coffee bean supply with expected crop losses
of $ 500 million.
It was not clear to what extent El Salvador's
coffee crop, already blighted by an outbreak
of leaf
rust, might be affected by the eruption.
But Gaitán warns that scientists need to be careful to target the entire range
of coffee leaf
rust,
of which some races are more virulent than others.
«
Coffee rust is a hacker,» explains Álvaro Gaitán, head
of plant pathology at Cenicafé.
The so - called leaf
rust, or roya, is a yellow and orange - colored fungus that has swept
coffee fields from Mexico to Peru over the past two years, threatening to stunt production and drive up the price
of Latin American roasts.
The partnership will support research to develop
rust - resistant
coffee varieties and expand the capability
of the Latin America's
coffee institutions to monitor and respond to outbreaks
of the blight, USAID said.
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