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Browse by Author: Wayne Mitchem
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Weed Management in Onions

By: Roger Batts, Wayne Mitchem, David Monks, Katie Jennings Weed Management in North Carolina

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.

Weed Management in Broccoli, Cabbage, and Cauliflower

By: Roger Batts, Wayne Mitchem, David Monks, Katie Jennings Weed Management in North Carolina

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.

Photosystem II – Triazine Herbicides

By: Joe Neal, Douglas Goodale, Katie Jennings, Wayne Mitchem Herbicide Injury Factsheets

This factsheet describes the symptoms of a photosystem II (PS II) inhibitor herbicide injury.

Weed Management in Collards, Kale, Mustard, and Turnip Greens

By: David Monks, Wayne Mitchem, Roger Batts, Katie Jennings Weed Management in North Carolina

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 Management in Okra

By: Wayne Mitchem, David Monks, Roger Batts, Katie Jennings Weed Management in North Carolina

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.

Weed Management in Lettuce

By: David Monks, Wayne Mitchem, Roger Batts, Katie Jennings Weed Management in North Carolina

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.

Protoporphyrinogen Oxidase (PPO) Inhibitors

By: Doug Goodale, Joe Neal, Katie Jennings, Wayne Mitchem Herbicide Injury Factsheets

This factsheet describes the symptoms of a protoporphyrinogen oxidase inhibitor herbicide injury.

Cellulose Inhibitors, Indaziflam, and Isoxaben

By: Joe Neal, Doug Goodale, Katie Jennings, Wayne Mitchem Herbicide Injury Factsheets

This factsheet describes the symptoms of cellulose-inhibiting herbicide injuries.

Muscadine Grape Production Guide for the Southeast

By: Mark Hoffmann, Patrick Conner, Phillip Brannen, Hannah Burrack, Wayne Mitchem, Bill Cline, Penelope Perkins-Veazie, Barclay Poling

This muscadine grape production guide will help the increasing number of North Carolina farmers who are considering growing and marketing this fruit as a farm diversification option.

Carotenoid Pigments

By: Joe Neal, Doug Goodale, Katie Jennings, Wayne Mitchem Herbicide Injury Factsheets

This factsheet describes the symptoms of a carotenoid pigment inhibitor herbicide injury.

Metribuzin

By: Doug Goodale, Joe Neal, Katie Jennings, Wayne Mitchem Herbicide Injury Factsheets

This factsheet describes the symptoms of a metribuzin herbicide injury.

Shoot Inhibitors

By: Doug Goodale, Joe Neal, Katie Jennings, Wayne Mitchem Herbicide Injury Factsheets

This factsheet describes the symptoms of a shoot inhibitor herbicide injury.

Natural Oils and Acids

By: Doug Goodale, Joe Neal, Katie Jennings, Wayne Mitchem Herbicide Injury Factsheets

This factsheet describes the symptoms of natural oil and acid herbicide injuries.

Chapter 8. Pest Management

By: Turner Sutton, Jean Harrison, Wayne Mitchem

Grapes are subject to attack by many different pests, including nematodes, fungal, bacterial, and viral pathogens, insects, and wildlife, such as deer and birds.Weeds, which compete with the vines for soil moisture and nutrients, may also be included in this list. Recognizing and understanding the nature of these pests is essential to minimizing crop losses.This chapter briefly describes the major pests that routinely threaten bunch grapes in North Carolina and discusses control measures.