Puccinia Collection

Puccinia, a genus of fungi known for causing various rust diseases in plants, is a significant concern for agricultural crops like wheat (Triticum aestivum

Puccinia Collection: Stem rust, Puccinia, wheat, Triticum aestivum

Stem rust, Puccinia, wheat, Triticum aestivum - By Franz Bauer. Paper, watercolour, signed. London, Natural History Museum, Library and Archives, Unfinished Drawings of Plants, vol. 6, no. 77

Hollyhock rust, Puccinia malvacearum, early pustules on the lower surface of a hollyhock leaf

Puccinia Collection: Photomicrograph of the aecia of groundsel rust, Puccinia lagenophorae

Photomicrograph of the aecia of groundsel rust, Puccinia lagenophorae, on the leaf surface of the weed groundsel, Senecio vulgaris

A photomicrograph of oat crown rust, Puccinia coronata, pustules on an oats leaf

Oat crown rust, Puccinia coronata, on oats flag leaf

Box rust, Puccia buxi, pustules on the lower surface of a diseased parterre hedge leaves

Box rust, Puccia buxi, pustules on the upper surface of a diseased parterre hedge leaves

Puccinia Collection: Rust fungus infection, light micrograph

Rust fungus infection, light micrograph. Transverse section through a barberry (Berberis sp.) leaf infected by a parasitic rust (Puccinia sp.)

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Puccinia, a genus of fungi known for causing various rust diseases in plants, is a significant concern for agricultural crops like wheat (Triticum aestivum). Stem rust caused by they are lead to severe damage and spotting on the leaves of wheat plants. Similarly, hollyhock rust caused by Puccinia malvacearum exhibits early spotting symptoms on the top surface of hollyhock leaves, eventually resulting in severe damage and spotting on both the upper and lower surfaces. The photomicrograph showcases groundsel rust caused by Puccinia lagenophorae, displaying aecia (fruiting bodies) on the leaf surface of the weed groundsel. Another photomicrograph highlights oat crown rust caused by Puccinia coronata with pustules found on an oats leaf. This disease also affects oats flag leaves. Lastly, box rust caused by Puccina buxi forms pustules primarily on the upper surface of diseased parterre hedge leaves. These examples illustrate how different species within the genus they are cause fungoid diseases that affect various plant species. Understanding these diseases is crucial for farmers and gardeners to implement effective management strategies to prevent or control their spread and minimize crop losses.