What CABI Is Doing To Tackle Major Coffee Rust Outbreaks In Central America

Guatemala has declared a state of agricultural emergency after coffee rust fungus has affected approximately 193,000ha of coffee, equating to 70% of the national crop. As a result of the outbreak, Guatemala is releasing $13.7m (£8.7m) in emergency aid to help farmers buy pesticides and to inform farmers on ways to manage the disease. Honduras…
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Research Teams and Scientists Working to Stem Ash Dieback Fungus

Researchers are working towards developing a cost effective solution to controlling  Ash Dieback fungal disease, a major threat to 80 million ash trees in the UK. As part of the plan to tackle Ash Dieback and other invasive pests and diseases, the government has formulated a team of ten internationally recognised experts in plant health, forestry and…
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Sweet Like Chocolate: Breeding Programs Combating Fungal Diseases of Cocoa in Ecuador

Cocoa, Theobroma cacao L. is the third most important export product in Ecuador; a country which produces 70% of the world’s highly prized Arriba cocoa. However, the sustainability of this crop is threatened by a number of devastating pest species including fungal diseases and insect pests. Among the most severe are the closely related fungal diseases…
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Which is the most important plant-pathogenic fungus?

A survey by the journal, Molecular Plant Pathology, had 495 responses from international fungal pathologists on what they thought the most scientifically and economically important fungal plant pathogens were. Several of the ‘top 10’ fungi from these results are those that infect cereal crops, which isn’t surprising as cereals such as wheat and rice are…
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Where did black sigatoka come from?

Black sigatoka, or black leaf streak disease, a disease of bananas and plantains caused by the fungus Mycosphaerella fijiensis, has caused widespread losses to banana crops over the past 50 years. A new study of the phylogeography of black sigatoka on banana leaves from around the world has helped to elucidate the recent origins of…
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Bad date?

Date palm with Bayoud disease, Image from J. Louvet, Bugwood.org A bad date usually involves awkward conversation or an unfortunate incident with a hot cup of coffee, but for Algerian and Moroccan farmers there is a much fruitier issue at hand. Date palms (Phoenix dactylifera) have long-suffered the effects of the Fusarium oxysporum f.sp. albedinis fungus, which…
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New plant disease records from CABI scientists in 2011

In 2011, CABI scientists helped to discover new occurrences of disease-causing phytoplasmas and fungi in Africa, Asia and Oceania. Our scientists, based in Egham in southeast England, provide the Plantwise diagnostic service free of charge to developing countries to support the plant clinics, which give advice to farmers with plant health problems. They work in…
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Deck the halls with boughs of…Vascular-Streak Dieback?

As the supermarkets fill their shelves with an abundance of chocolate in anticipation of the festive season, the supply appears plentiful. For Indonesian cocoa farmers, however, the story is a very different one. 10% of global cocoa output comes from Indonesia, but this year the Indonesian cocoa industry has suffered from outbreaks of Vascular-Streak Dieback…
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