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Little Hope For Fungicide Late-Season Tar Spot Control

August 25, 2022 | Posted in Crop Protection

Source: Iowa State University Extension and Outreach

Rotating to soybean in the following year may help reduce the tar spot inoculum in that field. Another consideration is to plant a tar spot tolerant hybrid in that field and surrounding fields.

What to Look for in Tar Spots

July 14, 2022 | Posted in Crop Protection

Source: Agronomic Crops Network

Tar spot, as the name suggests, is characterized by the presence of raised, black, tar-like spots called stromata predominantly on leaf blades.

CROP PROTECTION ROUNDUP 2022

Concerted Battle with Tar Spot of Corn Continues

While seed choices are limited, plant pathologists urge growers to attempt to select hybrids for tar spot resistance and be ready to make fungicide applications at the first sign of the disease in their fields.

By Dan Crummett posted on January 5, 2022 | Posted in Crop Protection

Managing Around Plant Disease Hotspots for 2020

Soilborne pathogens and fungal diseases are likely concerns for corn and soybean no-tillers this season, but pathologists say pay particular attention to soybean cyst nematodes, sudden death syndrome, tar spot and target spot.

By Dan Crummett posted on February 20, 2020 | Posted in Crop Protection

Soybean cyst nematode (SCN) and sudden death syndrome (SDS) are expected to plague U.S. no-till soybean producers again this year, especially if the local planting season is accompanied by cooler and wetter than average conditions.

Lucento Fungicide Issued a 2(EE) Label for Tar Spot in Corn

April 30, 2019 | Posted in Crop Protection

Source: FMC

FMC has issued a 2(ee) label for tar spot control in corn (field, seed and popcorn) for its new Lucento fungicide. Per the 2(ee) label, Lucento fungicide can be applied at the onset of the disease up through the R4 growth stage with a maximum of two applications per year.

Pre-Season Management and Preparation for Tar Spot

April 4, 2019 | Posted in Crop Protection

Source: Iowa State University Extension and Outreach/Integrated Crop Management News

In 2018, the prevalence and severity of tar spot increased dramatically and in some areas caused substantial yield losses. Prepare yourself for the coming growing season with these tar spot management suggestions from University of Illinois Extension Plant Pathologist Nathan Kleczewski.

Tar Spot on Texas Corn Could Have Ridden In on ‘Bomb Cyclone’

March 27, 2019 | Posted in Crop Protection

Source: Texas A&M AgriLife Extension

A new disease affecting corn might have blown in on the recent “bomb cyclone,” and a Texas A&M AgriLife Extension Service specialist said producers should be aware of what might make its way to their fields later this year.

Corn Diseases to Watch for in 2016

June 15, 2016 | Posted in Crop Protection

Source: Kentucky Pest News

University of Kentucky Extension recommends keeping an eye out for southern rust and tar spot in corn this season.

Tar Spot on Corn Confirmed in the U.S.

September 15, 2015 | Posted in Crop Protection

Source: Purdue University Extension

A corn disease not previously reported in the U.S., tar spot was identified in Indiana this week, reports Purdue University Extension. This is the first confirmation of the disease in the states.

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