Cranberry root rot

Cranberry root rot is a common plant disease that affects cranberry plants, causing significant damage to the plant's root system and potentially leading to the death of the plant. The disease is caused by various fungi and water molds, including Phytophthora cinnamomi and Armillaria species.

Symptoms

The initial symptoms of cranberry root rot include wilting, yellowing, and browning of the leaves. As the disease progresses, the roots of the plant become dark and rotten, often leading to the death of the plant. In severe cases, entire cranberry beds can be wiped out by the disease.

Causes

Cranberry root rot is primarily caused by the fungi Phytophthora cinnamomi and various Armillaria species. These pathogens thrive in wet, poorly drained soils and can spread rapidly in favorable conditions. Other factors that can contribute to the development of the disease include poor soil fertility, plant stress, and damage to the plant's root system.

Management

Management of cranberry root rot involves a combination of cultural practices and chemical control. Cultural practices include improving soil drainage, maintaining optimal soil fertility, and avoiding damage to the plant's root system. Chemical control involves the use of fungicides to kill the pathogens causing the disease.

Impact

Cranberry root rot can have a significant impact on cranberry production, leading to reduced yields and quality. The disease can also increase production costs due to the need for disease management measures.

See also

• Cranberry
• Phytophthora cinnamomi
• Armillaria
• Plant disease
• Fungicide