Interpreting Routine Soil Tests
Soil testing is a helpful tool for monitoring soil fertility and determining lime and fertilizer requirements for crops, including row, forage, and horticultural crops. Soil tests measure the pool...
Category: Agronomic Crops
Insect Pests of Alfalfa in the Southeastern United States
This publication provides information about important insect pests of alfalfa in South Carolina and surrounding states in the southeastern United States. Descriptions of the insect pests, scouting...
Common and Southern Rust in Field 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...
Visual Guide to Soybean Growth Stages
Identifying soybean growth stages is essential for proper crop management of pests, irrigation, and fertility. This guide will help growers, consultants, extension, and research personnel correctly...
Japanese Beetle as a Pest of Field 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
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
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
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,...
Reconditioning and Disposition of Aflatoxin-Contaminated Peanut: A Guide for US Peanut Producers
Various biotic and abiotic stresses pose a threat to peanut production. Among these stresses, the soilborne fungi Aspergillus flavus and A. parasiticus contaminate peanut seeds with aflatoxins...
Nitrogen and Irrigation Management for Sorghum in South Carolina
Sorghum is a drought-tolerant crop suitable for growing in South Carolina. Although it can survive well under adverse conditions, nitrogen (N) insufficiency and water stress can reduce sorghum grain...
Granville Wilt of Flue-Cured Tobacco
Granville wilt (bacterial wilt) is the most destructive, yield-limiting soil-borne disease of flue-cured tobacco in South Carolina.1 The first confirmed report of this disease in the United States...
Headworms as Pests of Grain Sorghum
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,...
Soybean Tissue Sampling
Introduction One of the most critical factors in growing a successful soybean crop is the nutrient status during the life cycle. Tissue sampling is a tool to diagnose suspected plant nutritional...
Herbicide Options for Benghal Dayflower Control in Field Crops
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...
Best Management Practices for Thrips (Thysanoptera: Thripidae) in Cotton
Thrips (Thysanoptera: Thripidae) are the most consistent and predictable insect pests of Upland cotton, Gossypium hirsutum L., in South Carolina and much of the southeastern United States. These...