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Brochure, flyer, fact-sheetTogether, we can prevent the spread of Tropical Race 4 (TR4)
TR4 Global Network - An initiative of the World Banana Forum
2020Investments in agriculture, including in innovation in the banana sector, are crucial to increasing the capacity for agricultural productivity and sustainable food production systems are necessary to achieve #ZeroHunger. With a general public audience in mind, the brochure Together, we can prevent the spread of TR4 seeks to explain why bananas and plantains are essential crops around the world for both their economic importance and deep cultural roots. It also highlights the main ways to combat the spread of Tropical race 4 (TR4) which causes the disease Banana Fusarium Wilt (Banana FW). Bananas are the most exported fruit in the world, while plantains contribute greatly to food security and to income generation as a cash crop in countries where they are produced. A transboundary soil-borne fungus, TR4 is recognized as one of the most destructive pests in the history of agriculture and the world’s greatest threat to banana and plantain production. The disease affects many varieties including Cavendish bananas which provide around half of global banana supply. Currently, the most effective approach to combat TR4 is prevention of its spread into clean areas and immediate containment when it is detected. Diversity is also key to prevention of TR4. Diversification of crops and better use of available genetic resources are key to building resilience to the disease in the long term. Emphasis is placed on the support needed for disease management and recovery in TR4 affected countries in which international collaboration and local action are essential. -
Brochure, flyer, fact-sheetWhat you need to know about Tropical Race 4
TR4 Global Network - An initiative of the World Banana Forum
2020The flyer, What you need to know about TR4, aims to inform the general public with basic information about Tropical race 4 (TR4). The underlying message is that actions can indeed be taken to help prevent the spread of the pest and that the way forward is for stakeholders across the banana industry to act with urgency and in a collaborative manner. Fusarium Tropical race 4 (TR4) is a strain of the soil born fungus, Fusarium oxysporum f. sp cubense whose spores can lie dormant in the soil until a susceptible plant is established nearby. These spores infect the plant through the roots and inhabit the banana or plantain plant’s xylem vessels, blocking the flow of water and nutrients. Fungicides can't save plants that are already infected with TR4, and the fungus's spores persist in soil for decades. Therefore the most immediate approach to combat TR4 is prevention of its spread into clean areas and containment when it is detected. In the long term, diversification of crops and better use of available genetic resources are key to building resilience to the disease. Agro-ecological innovations will be increasingly important to produce varieties less susceptible to TR4. The flyer focuses on three practical items that a visitor to a banana or plantation farm can do to minimise the risk of spreading TR4. -
Brochure, flyer, fact-sheetDiagnosing Tropical Race 4 from field to lab
TR4 Global Network - An initiative of the World Banana Forum
2020Early detection and diagnosis of the presence of Tropical Race 4 (TR4), combined with rapid destruction of infected banana plants and on-farm restrictions, are the only ways to control and contain the disease-causing fungus. Process on how to diagnose TR4 – From field to lab outlines some actions farmers/growers can take to recognize the symptoms of TR4. These include: always keep an eye out for TR4; notify authorities such as the National Plant Protection Organization (NPPO) to report any suspected TR4 signs and symptoms; await relevant authorities for specialized inspection; facilitate the collection of samples that can be packaged, labelled, and sent with a secure chain of custody to a specialised laboratory; and ensure laboratory testing, which, alone, can truly confirm a TR4 outbreak. Other possible diagnoses of plants afflicted with TR4-like symptoms are also outlined in the document. Sometimes, what was initially suspected to be TR4 turns out to be a different disease or natural phenomenon. In any case all suspected cases should be treated as potentially hazardous.
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