Commercial Weed Control Resources
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Weed management is one of the most critical and costly aspects for container nursery production. Weeds can quickly outcompete the crop for light and other resources, reducing the rate and amount of crop growth as well as salability. Preventative practices are most effective, primarily with the use of preemergent herbicides. Weed management alternatives to synthetic herbicides include sanitation, exclusion, prevention, hand weeding, mulching and use of cover crops, heat, and nonsynthetic herbicides. Only some of these alternative methods can be used to control weeds in containers, but all can be used to manage weeds around containers and in noncrop areas.
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Even with today’s technology, it is critical that growers use directed herbicides in their cotton crop to improve coverage of weeds hiding under the cotton canopy. Precision applications maximizing spray coverage of weeds and minimizing spray contact with cotton, which can cause injury, is critical. Spray fender/cultivator and shield/hood sprayers are commonly used for precision, directed-spray applications.
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This publication provides growers, county agents, crop consultants, etc. with information regarding peanut yield response to 2,4-D injury.
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C 1025
Peanut Response to Liberty
Liberty® (glufosinate-ammonium) has become a popular postemergence herbicide in Georgia due to its ability to control herbicide-resistant Palmer amaranth when applied in a timely manner. However, the popularity of Liberty®-resistant cultivars (e.g., Liberty-Link® and WideStrike®) has led to an increased potential for off-target movement and sprayer contamination of Liberty® to sensitive crops such as peanut. This publication describes symptoms of peanuts exposed to Liberty.
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C 1015
Peanut Response to Dicamba
The objective of this publication is to provide county agents, peanut growers, crop consultants, agri-business personnel, etc. with information that can assist them in making appropriate management decisions after a suspected dicamba drift/volatilization or sprayer contamination problem has occurred.
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This publication discusses tropic croton identification and control in cotton and peanut.
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B 1158
Sprayer Nozzle Selection
Nozzle selection is one of the most important decisions to be made related to pesticide applications. The type of nozzle affects not only the amount of spray applied to a particular area, but also the uniformity of the applied spray, the coverage obtained on the sprayed surfaces, and the amount of drift that can occur. Each nozzle type has specific characteristics and capabilities and is designed for use under certain application conditions. This publication describes the types that are commonly used for ground application of agricultural chemicals, including flat-fan, even flat-fan and cone nozzle.
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Eclipta is considered to be one of the world’s worst weeds. This publication discusses the identification and control of eclipta in peanut.
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