Elsinoë veneta

A fungal pathogen affecting plants

Elsinoë veneta is a fungal pathogen that primarily affects Rubus species, including blackberry and raspberry plants. It is known for causing a disease commonly referred to as anthracnose, which can lead to significant agricultural losses.

Description

Elsinoë veneta is a member of the Ascomycota phylum, characterized by its production of ascospores within asci. The fungus forms lesions on the stems, leaves, and fruit of infected plants, which can lead to reduced photosynthesis and overall plant vigor.

Life Cycle

The life cycle of Elsinoë veneta involves both sexual reproduction and asexual reproduction. The fungus overwinters in infected plant debris and produces conidia in the spring, which are spread by rain splash to new host tissues. Under favorable conditions, the conidia germinate and infect the plant, leading to the development of new lesions.

Symptoms

Infected plants exhibit small, sunken lesions on the canes, leaves, and fruit. These lesions are initially purple but may turn gray or brown as they age. Severe infections can cause defoliation, cane dieback, and reduced fruit quality.

Management

Management of Elsinoë veneta involves cultural practices such as removing and destroying infected plant debris, selecting resistant cultivars, and applying appropriate fungicides. Proper pruning and spacing of plants can also help reduce the spread of the disease by improving air circulation.

Related pages

• Fungal plant pathogens
• Anthracnose
• Rubus