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Tuesday, May 13, 2008     Geostrategy-Direct.com

UN alert: One-fourth of world's wheat at risk from new fungus

The United Nations Food and Agriculture Organization (FAO) warned in March that Iran had detected a new highly pathogenic strain of wheat stem rust called Ug99.

The fungal disease could spread to other wheat producing states in the Near East and western Asia that provide one-quarter of the world’s wheat.

The FAO warned stated east of Iran — Afghanistan, India, Pakistan, Turkmenistan, Uzbekistan, and Kazakhstan to be on high alert.

Scientists and international organizations focused on controlling wheat stem rust have said 90 percent of world wheat lines are susceptible to Ug99. The situation is particularly critical in light of the existing worldwide wheat shortage.

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The fungus causes dark orange pustules on stems and leaves of infected plants. The pustules can completely girdle stems, damaging their conducting tissue and preventing grain fill. Yield losses may reach 70 percent, while some fields are totally destroyed. If stem rust arrives early in the growing cycle, losses are higher. Spores released by the fungal pustules are spread by the wind and may travel great distances in storms.

Word of the new wheat disease comes amid global shortages of rice and wheat resulting from typhoon-related flooding in Java, Bangladesh, and India and from agricultural pests and diseases in Vietnam. Last year Australia suffered its second consecutive year of severe drought and a near complete crop failure, heavy rains reduced production in Europe, Argentina suffered heavy frost, and Canada and the U.S. both produced low yields.

Food riots have broken out in Egypt, Haiti and several African states, including Mauritania, Cameroon, Cote d'Ivoire, Burkina Faso and Senegal in recent months.


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