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The Southeastern Vegetable Extension Workers Group offers this handbook, a joint effort among Extension Specialists and Researchers from 12 land-grant universities in the U.S. who work in the area of vegetable production. These specialists and researchers represent a wide array of disciplines: agricultural engineering, entomology, olericulture (vegetable production), plant pathology, postharvest physiology, soil science, and weed science. This handbook comprises up-to-the-minute information developed from research and Extension projects conducted throughout the southeastern United States.
This publication covers chemical weed control and weed response to a variety of crops.
This chapter of the North Carolina Organic Commodities Production Guide covers key management practices for organic sweet potato tobacco production.
This factsheet describes the symptoms of an ALS inhibitor herbicide injury.
Being related to cotton, okra can be a poor competitor with weeds, particularly early in the growing season. As the crop is harvested, more sunlight can reach the soil and increase late-season weed interference. Learn about the cultivation options and herbicides that growers can use for weed control in okra.
This factsheet describes the symptoms of a photosystem II (PS II) inhibitor herbicide injury.
This publication discusses the impacts of yellow nutsedge on sweetpotato crops and includes information on weed identification and management.
This publication provides guidance to Extension agents on how to design and conduct trials and demonstrations on alternative products for plant and soil health and pest and disease control purposes. It provides standardized experimental design criteria and best practices for planning and executing trials for these products.
Keeping weeds out early in the season is very important for cole crops that are marketed by size. Learn how to use both cultivation and herbicides to achieve good early-season weed control and avoid losses in yield and profits.
Growing strawberries as an annual crop on black plastic requires a different weed management strategy than the perennial matted row strawberries. Weeds that have hard seed coats, such as vetch and clover, emerge for long periods of time can establish in the row. They emerge in late fall or spring, grow under the plastic for a period of time, and emerge from any holes in the plastic.
This factsheet describes the symptoms of a protoporphyrinogen oxidase inhibitor herbicide injury.
This factsheet describes the symptoms of a photosystem I (PS I) inhibitor herbicide injury.
This factsheet describes the symptoms of a synthetic auxin (SA) herbicide injury.
Many farmers and home gardeners have reported damage to vegetable and flower crops after applying horse or livestock manure, compost, hay, or grass clippings to the soil. The symptoms reported include poor seed germination; death of young plants; twisted, cupped, and elongated leaves; misshapen fruit; and reduced yields. These symptoms can be caused by other factors, including diseases, insects, and herbicide drift. Another possibility for the source of these crop injuries should also be considered: the presence of certain herbicides in the manure, compost, hay, or grass clippings applied to the soil.
This factsheet describes the symptoms of a glyphosate herbicide injury.
This factsheet describes the symptoms of root-inhibiting herbicide injuries.
This factsheet describes the symptoms of a carotenoid pigment inhibitor herbicide injury.
This factsheet describes the symptoms of cellulose-inhibiting herbicide injuries.
This factsheet describes the symptoms of a metribuzin herbicide injury.
Cool-season leafy greens face a different weed spectrum than warm-season crops. The presence of weeds in harvested greens can result in lower prices or rejection at market. Learn about the cultivation and herbicide options that growers can use to avoid weed competition and contamination.
Weed competition in lettuce reduces both yield and head quality. This cool-season crop faces competition from winter annuals as well as early summer weeds. Learn about the cultivation and herbicide options that growers can use to control weeds in lettuce, including advice for lettuce grown with plastic mulch.
This publication explains plant growth regulators for a variety of crops.
This factsheet describes the symptoms of natural oil and acid herbicide injuries.
Most commercial onions produced in North Carolina are seeded in the fall and harvested in mid- to late-June. Weed competition can reduce onion yields up to 96 percent, and weeds must be controlled throughout the growing season. Learn about the cultivation and herbicide options growers can use to keep onions weed-free in both wide and narrow rows.
This factsheet describes the symptoms of a shoot inhibitor herbicide injury.
A new group of cover crops for winter and summer use include mustards, oilseed radishes and turnips. When young, these plants resemble turnip greens, are very succulent and have a low C:N ratio, resulting in rapid decomposition when incorporated into the soil. However, if allowed to mature, bolt and flower, they produce a large amount of biomass in a short period of time and become woody, resulting in slower decomposition than when killed at an immature stage.