Tag Archives: Herbicide

Zidua Herbicide Q&A

peanuts growing in field

• By Steve Li, Alabama Cooperative Extension Specialist and Assistant Professor,  Crop, Soil and Environmental Sciences • Q What is Zidua? How does it kill weeds? A: Zidua (pyrosasulfone) is a Weed Science Society of America (WSSA) group 15 herbicide, which has similar mode of action to Dual Magnum (S-metolachlor), Warrant (acetochlor) and Outlook (S-dimethenamid). It controls weeds by inhibiting production ... Read More »

The 2019 Disease Risk Index

tomato spotted wilt virus on peanuts

In 2018, losses to tomato spotted wilt across the peanut production region of the southeastern United States increased slightly from estimated losses from 2017. Losses associated with spotted wilt were approximately 3 percent in 2017 and 3.5 percent in 2018, though tomato spotted wilt was more severe in some fields than in others. Growers can successfully manage this disease, and ... Read More »

New Products

new improved fieldnet app

Mud Rx For Planter Tires In damp or muddy conditions, planters and air seeders invariably are plagued with mud-plugged wheels from mud finding its way between the tire and disc. The operator must stop, manually remove the wheels and clean the mud out by hand. It’s a miserable job and it slows planting to a halt. With this easy to ... Read More »

It’s A Trade Off

small weed in peanuts

Producers must weigh the reward of weed control with the risk of herbicide injury.  • By Amanda Huber  • The phone started ringing off the hook around the middle of May, says Eric Prostko, University of Georgia Extension weed scientist. Herbicide injury was one of the early suggestions as to crop problems last season, but for the peanut team weed science man ... Read More »

Weed Control Options

Peanut growers are fortunate to have 18 active ingredients registered for use as herbicides. In general, these herbicides are very effective when applied at the appropriate rate and time. Failure to start clean at planting, residual herbicides that are not activated with timely irrigation or rainfall, postemergence applications to weeds larger than 3 inches tall and unfavorable environmental conditions, such ... Read More »

Incorporating S-metolachlor

Follow these recommendations to properly activate this herbicide with irrigation. By J. Ferrell and R. Leon, University of Florida Weed Scientists Herbicide-resistant weeds have changed how we design our weed management programs. To combat these weeds, we are increasingly returning to soil-applied herbicides. However, a soil-applied herbicide has to be mixed in the soil, or activated, to be effective. If ... Read More »

Is Sicklepod Next

University of Georgia weed scientists are looking at the possibility of herbicide-resistant sicklepod. By Clint Thompson, University of Georgia College of Agricultural and Environmental Sciences The possibility of sicklepod weed becoming resistant to herbicides is a potential concern for  Georgia peanut farmers, says Eric Protsko, a weed scientist with the University of Georgia College of Agricultural and Environmental Sciences. Sicklepod ... Read More »

Heirloom Peanut Makes Comeback

Clemson researcher revives the South’s ancestral peanut and finds a market for the distinctive taste in Charleston’s restaurants. Clemson University researcher Brian Ward has revived the South’s ancestral peanut, successfully germinating nearly 1 million Carolina African runner seeds from just 20. The heirloom crop offers a niche, but valuable product, for South Carolina growers and restaurants. Last year’s heavy rains ... Read More »

Part Of The Plan

Consider variety selection, resistance management and product placement in your efforts to combat disease. By Amanda Huber What disease management lessons from 2015 can producers take into 2016? Two issues from last year involving leaf spot and white mold offer precautions for disease management this year. In the case of leaf spot, Bob Kemerait, University of Georgia Extension plant pathologist, ... Read More »

Weed Management

Florida Pusley (Richardia scabra) Florida pusley is a low-growing, annual weed species that appears almost prostrate. It can be effectively controlled only with pre-plant incorporated herbicides. Florida pusley has bright green leaves with a distinctive recessed mid-vein. The stems are very hairy and may have a purplish appearance. The flowers are white with six petals in a star-shaped whorl.   ... Read More »