Stemphylium vesicarium
Stemphylium vesicarium is a fungal pathogen that primarily affects fruit trees, particularly pear and apple trees. It is the causative agent of the disease known as Stemphylium leaf blight, which can cause significant damage to affected crops.
Taxonomy[edit | edit source]
Stemphylium vesicarium belongs to the kingdom Fungi, the phylum Ascomycota, and the order Pleosporales. It is a member of the genus Stemphylium.
Morphology[edit | edit source]
The mycelium of Stemphylium vesicarium is septate and hyaline. The conidia are brown, oblong to ellipsoid, and have a distinctive multi-cellular appearance. They are typically borne on short conidiophores.
Pathogenicity[edit | edit source]
Stemphylium vesicarium is a necrotrophic pathogen, meaning it kills host tissue and then feeds on the dead material. It produces toxins that cause necrosis in the leaves of the host plant, leading to the characteristic symptoms of Stemphylium leaf blight.
Management[edit | edit source]
Control of Stemphylium vesicarium typically involves a combination of cultural practices and chemical treatments. Cultural practices include pruning to improve air circulation and reduce humidity, and removing infected plant material to prevent the spread of the pathogen. Chemical treatments include the use of fungicides.
See also[edit | edit source]
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