Tag: Tunisia
Food security in an insecure world: Modelling self-sufficiency
When global food prices spiked in 2008, many governments embarked on programmes to improve their country’s food self-sufficiency – but have they been successful? At Setsunan University, Japan, Dr Tetsuji Tanaka and Dr Jin Guo are quantitatively assessing the effectiveness of a number of self-sufficiency policies. They have studied regional and global volatility in beef and wheat prices, and used […]
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Leaf spots on the prairies
Plants face a large number of threats from their surroundings. When microbes such as fungi act as pathogens on plants, they can cause disease. Some fungal pathogens of wheat appear as symptoms of spots on the leaves. Two important fungal species are the tan spot pathogen and the septoria nodorum blotch pathogen. These fungi can infect the same plant and […]