Fungicides
TOPIC(S): Corn/Maize, Crop Diseases, Fungicides,
Nancy Kavazanjian Nancy Kavazanjian
shared this article 1 year ago
Topics: Crop Diseases, Fungicides,
Nancy Kavazanjian Nancy Kavazanjian
shared this article 1 year ago
Topics: Corn/Maize, Soybeans, Fungicides,
TOPIC(S): Crop Dusting, Fungicides,

01/06/2023 SOURCE: agairupdate.com

Slow Down to Speed Up | AgAir Update

The Hawkeye State is dotted with dozens of aerial application operations, more so when the corn fungicide season is at its peak. Like many of these operations, Stott's Aerial Spray didn't appear from nowhere; it's a family-run operation that has been carried forward for generation ...

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Nancy Kavazanjian Nancy Kavazanjian
shared this article 1 year ago
Topics: Corn/Maize, Agriculture US, Fungicides,

Fungicide Efficacy on Tar Spot and Yield of Corn in the Midwestern United States | Plant Health Progress

Tar spot of corn caused by Phyllachora maydis has recently led to significant yield losses in the eastern corn belt of the Midwestern United States. Foliar fungicides containing quinone outside inhibitors (QoI), demethylation inhibitors (DMI), and succinate dehydrogenase inhibitors (SDHI) are commonly used to manage foliar diseases in corn. To mitigate the losses from tar spot, 13 foliar fungicides containing single or multiple modes of action (MOA/Fungicide Resistance Action Committee groups) were applied at their recommended rates in a single application at the standard VT/R1 (tassel/silk) growth stage timing to evaluate their efficacy against tar spot in a total of eight field trials in Illinois, Indiana, Michigan, and Wisconsin during 2019 and 2020. The single MOA fungicides included either a QoI or DMI. The dual MOA fungicides included a DMI with either a QoI or SDHI, and fungicides containing three MOAs included a QoI, DMI, and SDHI. Tar spot severity estimated as the percentage of leaf area covered by P. maydis stroma on the ear leaf of the nontreated control at dent growth stage ranged from 1.6 to 23.3% in the trials. Averaged across eight field trials all foliar fungicide treatments significantly reduced tar spot severity, but only Delaro 325SE (prothioconazole + trifloxystrobin), Revytek 3.33LC (mefentrifluconazole + pyraclostrobin + fluxapyroxad), and Veltyma 3.34S (mefentrifluconazole + pyraclostrobin) significantly increased yield over the nontreated control. When comparing groups of fungicide treatments by the number of MOAs, foliar fungicide products that had two or three MOAs decreased tar spot severity over not treating and products with one MOA. In addition, the fungicide group that contained all three MOAs significantly increased yield over not treating with a fungicide or using a single MOA group.

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John LaRose Jr. John LaRose Jr.
shared this article 1 year ago
Topics: Soybeans, Pesticides, Agriculture Global, Pest Control, Fungicides,
TOPIC(S): Oats, Pesticides, Fungicides, Ag United Kingdom,
John LaRose Jr. John LaRose Jr.
shared this article 2 years ago
Topics: Corn/Maize, Crop Consultant, Agriculture Global, Fungicides, Research,
Nancy Kavazanjian Nancy Kavazanjian
shared this article 2 years ago
Topics: Agriculture US, Crop Diseases, Fungicides, Research,

2021 Wisconsin Fungicide Test and Disease Management Summary Now Available - Badger Crop Doc

Brian Mueller, Researcher II, UW-Madison, Plant Pathology Damon Smith, Associate Professor and Extension Specialist, UW-Madison, Plant Pathology Mimi Broeske, Distinguished Editor, UW-Madison, Nutrient and Pest Management Program Each year the Wisconsin Field Crops Pathology Program conducts a wide array of fungicide and disease management tests on alfalfa, corn, soybeans, and wheat. These tests help inform […]

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John LaRose Jr. John LaRose Jr.
shared this article 2 years ago
Topics: Sugarcane, Agriculture Global, Crop Diseases, Fungicides, Sugar, Plant Breeding,

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