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About IPDN
Plant diseases cause significant economic losses throughout the world, but their
effects are felt most severely in developing regions where the majority of
families obtain their livelihood from farming. Potentially devastating diseases
commonly faced by farmers in these regions include:
- late blight of potato and tomato
- bacterial wilt of tomato, potato and eggplant (brinjal)
- wheat stem rust
- insect-transmitted virus diseases
Plant diseases must be correctly identified to allow farmers to put in place
effective integrated management strategies. However, plant disease diagnosis is
a knowledge-driven process and often requires specialized training. Further,
symptoms of the disease may not be adequate for accurate diagnosis, and
laboratory testing may be needed.
As farmers in developing regions seek to enter export markets to increase family
income, additional pressures are placed upon them to meet quality standards and
phytosanitary (plant health) requirements. Both pre- and post-harvest diseases
can pre-empt these attempts to market produce internationally. In addition,
importing countries are concerned about the introduction of new pathogens that
may greatly harm domestic agriculture.
In many developing regions, plant disease diagnostic capacity is poorly
developed to nonexistent. Building capacity for plant disease diagnostics not
only directly benefits farmers, but it also helps to reduce the risk of
accidental introduction of new pathogens into the United States and other
countries.
In order to address both local needs for timely and accurate plant disease
diagnosis and international phytosanitary requirements, capacity for plant
pathogen diagnostics in developing regions must be significantly improved.
Currently, neither infrastructure nor human capital is adequate to meet the
needs. This project addresses these issues in three critical regions: West
Africa, East Africa and Central America/Caribbean. Our project is closely linked
to IPM CRSP regional programs and other Global Theme programs in selected
countries by sharing resources and scientists and by developing joint research
programs.
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