Agronomic Crops
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Nematodes in Sweet Potato
Sweet potato with root-knot nematode

Nematodes are a serious pest to both our sweet potato industry and for those people growing them in a home garden. These pests affect the total production and quality of the sweet potato. Since the damage occurs to roots below ground, they are often not recognized as being a problem.

Louisiana Plant Pathology: Strategies for Sampling Plant-Parasitic Nematodes in Field Crops
sampling for nematodes

Plant-parasitic nematodes attack every field crop grown in Louisiana, including cotton, soybeans, corn, milo, rice, sugarcane, sweet potatoes and wheat. There are certain times of the year when nematode samples should be collected. The best time usually is during fall or early winter. Sampling time, procedures and handling included. (PDF Format Only)

Louisiana Plant Pathology: Shealth Blight of Rice
shealth blight

Sheath blight has been the most economically significant disease of rice in Louisiana since the early 1970s. The disease is caused by a fungal pathogen of both rice and soybeans. This fact sheet describes the symptoms of the disease and gives suggested management procedures.

Nematode Management in Louisiana Sweet Potato Production
nematodes in sweet potatoes

Plant-parasitic nematodes can damage plants in many ways and are considered to be a serious threat to sweet potato production in Louisiana. This publication describes problematic nematode species and management strategies available for these pests.

Louisiana Plant Pathology: Sclerotial Blight and Circular Spot of Sweet Potato
sweet potatoes
Sclerotium rolfsii is a soilborne fungus that causes southern blight on a wide variety of plants. Proper identification is the key to successful disease management. This fact sheet is intended to aid in the identification and management of Sclerotial Blight and Circular Spot. (PDF Format Only)
Sweet Potato Diseases
Provides information and symptions related to several common diseases in sweet potatoes.