Yellow rust

Causal organism - Puccinia striiformis

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Wheat - plant showing early symptoms of yellow rust infection Wheat - field shot of plants with moderate yellow rust infection Wheat - close up of leaf with severe yellow rust infection
Close up of single leaf showing yellow rust lesions Wheat - field shot of plants with severe yellow rust infection Wheat - field shot showing patches of infected plants or foci Wheat - close up of wheat ear showing yellow rust infection on the glumes