Nigel Cattlin / Brown rust (Puccinia recondita f.sp. tritici) pustules on flag leaves and ears of unripe Wheat (Triticum aestivum) crop, England, UK. July.
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Nigel Cattlin / Powdery mildew (Blumeria graminis) mycelium and cleistothecia and brown leaf rust (Puccinia triticina) pustules on a wheat leaf
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Nigel Cattlin / Brown or leaf rust (Puccinia triticina) infection on flag leaves and ears of a wheat crop in green unripe ears
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Nigel Cattlin / Photomicrograph of wheat leaf or brown rust (Puccinia triticina) sporulating pustules and spores with powdery mildew on a wheat leaf
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Nigel Cattlin / Wheat leaf rust or brown rust (Puccinia triticina) infection on the flagleaves and crop of a winter wheat in ear
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Nigel Cattlin / Wheat leaf rust or brown rust (Puccinia triticina) infection on the flagleaves and crop of a winter wheat in ear
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Nigel Cattlin / Brown rust or wheat leat rust (Puccinia triticini) a severe infection of this fungal disease in a French wheat crop
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Nigel Cattlin / Brown rust or wheat leat rust (Puccinia triticini) a severe infection of this fungal disease in a French wheat crop