Entyloma dahliae

Dahlia_x_hortensis_cult._Entyloma_dahliae_(02)

Infobox Disease
ICD-10	G71.2
ICD-9	359.0
DiseasesDB	31991
MedlinePlus
eMedicine	neuro 76 neuro/230
MeSH ID

Entyloma dahliae is a plant pathogenic fungus that causes leaf smut disease in various plant species. This fungal pathogen primarily affects the leaves of its host plants, leading to characteristic symptoms such as leaf discoloration, deformities, and reduced photosynthetic capacity.

Symptoms

The symptoms of Entyloma dahliae infection typically manifest as yellowish to brownish spots on the leaves of the affected plants. As the disease progresses, these spots may enlarge and coalesce, eventually covering a significant portion of the leaf surface. In severe cases, the leaves may become distorted, leading to reduced plant vigor and yield.

Causes

Entyloma dahliae spreads through airborne spores that are disseminated by wind or water. The fungus can survive in plant debris and soil, facilitating its persistence between growing seasons. Favorable environmental conditions, such as high humidity and moderate temperatures, promote the development and spread of the disease.

Management

Effective management strategies for controlling Entyloma dahliae include cultural practices, such as crop rotation, sanitation, and the removal of infected plant material. Fungicides may also be used to suppress the spread of the disease, especially in commercial agricultural settings. Additionally, planting resistant cultivars can help reduce the impact of Entyloma dahliae on plant health.

Prevention

Preventing Entyloma dahliae infection involves implementing integrated pest management practices, including monitoring for early signs of the disease, maintaining proper plant spacing to improve air circulation, and avoiding overhead irrigation that can create conditions conducive to fungal growth. Timely removal and disposal of infected plant parts can help prevent the spread of the pathogen to healthy plants.

Research

Ongoing research efforts are focused on understanding the genetic diversity of Entyloma dahliae populations, elucidating the mechanisms of pathogenicity, and developing sustainable disease management strategies. By advancing our knowledge of this fungal pathogen, researchers aim to enhance the resilience of plant species against Entyloma dahliae infection.

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