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FAO Wheat Rust Diseases Global Programme 2014–2017

Strengthening capacities and promoting collaboration to prevent wheat rust epidemics

Year of publication 2014

Product type Book (stand-alone)

ISBN 978-92-5-108285-0

Edition 1

Synopsis (short abstract) Wheat is a source of food and livelihoods for over 1 billion people in developing countries. A major staple food crop in many countries, it is an important source of nutrition, providing on average 40 percent of per capita calorie intake. Drought, floods and diseases severely affect wheat production. Exacerbated by climatic stress, especially in rainfed areas, the impact of wheat diseases is expected to increase. During the past decade a number of virulent strains of wheat rust diseases have eme rged, causing global concerns to wheat production. The wheat stem rust race Ug99 is highly virulent on the majority of world wheat varieties – the risk that it could cause a global epidemic is real. Ug99 is well established in East Africa and Yemen and has spread to the Islamic Republic of Iran. In 2010 and 2013, a new, virulent strain of yellow rust, Yr27, has caused severe outbreaks and losses in many countries in North and East Africa, the Near East and South Asia. Due to ever changing geneti cs of these pathogens they need to be monitored continuously. Wheat production in Northern and Eastern Africa, the Near East and West, Central and South Asia is vulnerable to rust diseases. These regions account for around 37 percent of global wheat production. The cost of a 10 percent loss in areas at risk is estimated to exceed USD 5.8 billion. The impact on food and nutrition security is estimable. To combat wheat rust diseases continuous surveillance as well as a programmatic management appr oach are essential.

Language English

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