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News and knowledge

  • Maureen and Baluku
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    Baluku
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    Mr. Baluku is one of the many smallholder farmers who works with Great Lakes Coffee, a green coffee sourcing, milling, and exporting company in Uganda.

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    Mr. Raphael Baluku has been getting a lot of questions about his coffee trees recently. In November 2018, the 54-year-old farmer—in Maliba subcounty, Kasese District of western Uganda—collaborated with World Coffee Research on the installation of an on-farm technology trial (OFTT) plot at his farm.

    Located on a part of Mr. Baluku’s 0.219 ha coffee farm, the OFTT features the farmer's current variety, SL14, and two new varieties—SL28 and Batian—and improved agronomy treatments. Because Mr. Balu...

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  • A new Arabusta for the 21st century

    Project Update

    Date: 10.9.18
    robusta!

    On the island of East Timor, sometime in the 1920s, an impossible legend was born: the Timor Hybrid. Somehow, a C. arabica plant and a C. canephora (Robusta) plant reproduced and created a natural hybrid offspring—an Arabica variety that contained Robusta genetics.

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  • Biological control of coffee leaf rust

    Project Update

    Date: 9.17.18
    A pustule of H. vastatrix (coffee leaf rust) parasitized by unknown Sporothrix-like fungus (possibly new genus). Credit: Robert Baretto

    Costly fungicides and pesticides aren’t the only way to control pests and diseases on a farm. Left alone, nature has developed complex and effective ways of reducing damage by diseases. Such natural control exists because every organism in nature has a range of natural enemies—competitors, parasites or predators—that are capable of reducing the size of its population. In the wild, coffee leaf rust has its own range of natural enemies.

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  • Roya

    What is better for the coffee plant: to spray against rust, or to give the plant better nutrition to allow it to grow stronger and as a result fight rust?

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  • The correlation of shade and rust

    Project Update

    Date: 8.27.18
    shade and rust

    Many existing approaches for controlling coffee leaf rust are one-sided: Use rust-resistant varieties, or spray with as much fungicide as you can afford. But it is increasingly evident that we need to open new fronts in the fight against coffee leaf rust.

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