sudden death syndrome_SOYB060A.JPG

Sudden death syndrome

Area of impact: Stem and roots

Description: Scattered pale spots appear between the veins of leaves and later enlarge to become brown lesions surrounded by pale areas. Leaves may be cupped or curled and detach from stems as the disease progresses. Roots will rot and develop gray areas inside. The pith will remain white—this is a distinguishing feature of the disease.

Pathogen involved: Fusarium virguliforme (a fungus)

Timing/Conditions: Plants are infected in early season but symptoms don’t occur until pods start to fill.

Contributing factors: Early planting; cool wet soil; early maturity; and high-yield conditions. Soybean cyst nematode is often associated with this disease. Overwinters in soil.

Management practices: Plant resistant varieties; improve soil drainage and minimize compacting; reduce nematode populations; stagger planting dates.

Ask an Agronomist

The material and content contained in the Greenbook label database is for general use information only. Agworld and Greenbook do not provide any guarantee or assurance that the information obtained through this service is accurate, current or correct, and are therefore not liable for any loss resulting, directly or indirectly, from reliance upon this service. This label database does not replace the official manufacture issued label. Users of this database must read and follow the actual product label affixed to the container before use of the product.