Category: Corn

Common Soil Pests of Corn in the Southeastern United States

May 20, 2026 | Agriculture, Agronomic Crops, Corn, IPM

Introduction Corn rootworms, seed corn maggot, wireworms, and white grubs are co-occurring soil insect pests of corn. The immature stages of each of these pest species are subterranean, allowing...

Visual Guide to Corn Growth Stages

Jun 16, 2023 | Agriculture, Agronomic Crops, Corn

Identifying corn growth stages is essential for successful crop management of pests, irrigation, and fertility. This guide will help growers, consultants, Extension, and research personnel properly...

Herbicide Interactions with Insecticides

Jun 11, 2023 | Agriculture, Agronomic Crops, Corn

Crop injury can occur when an insecticide application predisposes a plant to phytotoxicity from a subsequent foliar herbicide application. However, these products do not normally result in crop...

Identification and Management Strategies for Cutworms as Pests in Field Corn

Apr 12, 2023 | Agriculture, Agronomic Crops, Corn

Introduction Cutworms are sporadic but serious early-season pests of corn in the United States. Several species of cutworm can feed on a broad range of plants, including vegetables, turf, field...

Common and Southern Rust in Field Corn

Jun 15, 2022 | Agriculture, Agronomic Crops, Corn

Identifying and distinguishing between common and southern rust is important for proper corn management. This guide is to help growers, consultants, researchers, and Extension personnel correctly...

Japanese Beetle as a Pest of Field Corn

Feb 14, 2022 | Agriculture, Agronomic Crops, Corn

Japanese beetle, Popillia japonica, is a generalist pest capable of feeding on over 300 different plant species, many of which are of economic importance.1 One of the main crops that Japanese beetle...

Managing Insect Pests in Field Corn using Transgenic Bt Technology

Jan 3, 2022 | Agriculture, Agronomic Crops, Corn

Much of the field corn produced in the United States expresses an insecticidal toxin from Bacillus thuringiensis (Bt) that helps the plant control or suppress insect pests without the need for...

Volunteer Peanut Control in Corn and Cotton

Aug 31, 2021 | Agriculture, Agronomic Crops, Corn, Cotton, Peanut

Crops that emerge from seed left over from the previous season harvest are considered weeds in subsequent cropping cycles. In the case of peanuts, pods that detach from the pegs/vines during the...

Corn Earworm as a Pest of Field Corn

Jul 21, 2021 | Agriculture, Agronomic Crops, Corn, IPM

Corn earworm, Helicoverpa zea, is the most common aboveground pest of corn in the southeastern United States.1 It is also a significant pest of many other cultivated crops in the Southeast,...

Headworms as Pests of Grain Sorghum

Dec 9, 2020 | Agriculture, Agronomic Crops, Corn

Several species of lepidopteran larvae can infest and cause injury to sorghum grain heads. These include corn earworm, Helicoverpa zea, fall armyworm, Spodoptera frugiperda, and sorghum webworm,...

Herbicide Options for Benghal Dayflower Control in Field Crops

Nov 29, 2020 | Agriculture, Agronomic Crops, Corn, Cotton, Soybean

Invasive weeds are troublesome in agronomic cropping systems and nearby non-crop environments. Benghal dayflower (Commelina benghalensis L.), also known as tropical spiderwort, was first detected in...

Brown Stink Bug as a Pest of Corn in the Southeastern United States

Jul 20, 2020 | Agriculture, Agronomic Crops, Corn, Soybean

There are several pest species of stink bugs found in the southeastern United States, including the green stink bug, Chinavia hilare, the southern green stink bug, Nezara viridula, the rice stink...

Sugarcane Beetle as a Pest of Corn

Jul 9, 2020 | Agriculture, Agronomic Crops, Corn

The sugarcane beetle, Euetheola humilis, is a sporadic but serious pest of corn in the southeastern United States.1,2 It was previously known as the rough-headed corn stalk-beetle and was first...

Cereal Leaf Beetle as a Pest of Small Grains

Jan 22, 2020 | Agriculture, Agronomic Crops, Corn

The cereal leaf beetle (Oulema melanopus, CLB) can be a significant pest of small grains in North America1 and has a host range including wheat, oats, barley, rye, corn and other cultivated and...

Fall Armyworm as a Pest of Corn

Dec 12, 2019 | Agriculture, Agronomic Crops, Corn, Soybean

The fall armyworm (Spodoptera frugiperda, FAW) is native to the Americas where it is known to be a pest of numerous crops. The insect overwinters in North America in south Florida, Texas, Mexico,...