aphid speed scouting app

Soybean Aphid Scouting and Management

July 15, 2020
The current economic threshold for soybean aphids is 250 aphids per plant with 80% of the plant infested and populations increasing. The article discusses the basis for this threshold and two scouting methods, including a speed scouting app, and management guidelines.

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Soybean aphid

Although at Low Levels, Soybean Aphids Are in Northeast Nebraska

July 15, 2020
The infestations appear to have occurred recently, as the aphids were only observed on leaves that had not yet expanded completely. The economic threshold for late vegetative through R5 stage soybeans is 250 aphids per plant with 80% of the plants infested and populations increasing.

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Dicamba injury symptoms in a Roundup Ready soybean field
Figure 1. Dicamba injury symptoms in a Roundup Ready soybean field near Geneva. (Photos by Amit Jhala)

Dicamba Injury Reports Rise in Nebraska

July 18, 2017
Reports of suspected dicamba injury to soybean and other sensitive crops are increasing. The author reviews application windows for dicamba in corn, a possible area of concern, and outlines what growers can do if they suspect dicamba injury in their fields.

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Liberty Link soybeans
Figure 1. Control of glyphosate-resistant common waterhemp with Valor XLT applied PRE followed by Liberty in Liberty Link soybean (Photos by Amit Jhala).

Liberty Label Revision Allows Rate Increase

July 13, 2017
Liberty has revised its label to provide for an increased application rate in corn and soybean. View the new label rates for corn and soybean with a cumulative maximum per year of 87 fl oz/acre for either crop.

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Sample CornSoyWater Screen Message

CornSoyWater: Real-Time Aid for Corn and Soybean Irrigation Decisions

July 11, 2017
Use CornSoyWater and its app to monitor soil available water and crop water use and to identify fields where stress is likely occurring or will be occurring within the next three days. The tool is free, user friendly, and can help you monitor fields from a distance.

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Soybean field pre-canopy
Figure 1. Soybean field at North Platte, weeks away from reaching full canopy. Photo taken 7/4/2017.

Soil-Residual Herbicide Options For “Slow-To-Canopy” Soybeans

July 7, 2017
Soil-residual herbicides are encouraged to enhance weed control options in slow-to-canopy soybeans reported across Nebraska.

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Soybean field
Soybean field

Nebraska Plants Record High Soybean Acres, Up 10% from 2016

June 30, 2017
Nebraska's soybean acreage, estimated at 5.70 million acres in the June 30 USDA NASS report, was up 10% from last year and a record high. Nebraska corn at 9.80 million planted acres, is down 1% from last year.

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Corn and soybean fields at the Rogers Memorial Farm
Soybean and corn fields at the University's Rogers Memorial Farm east of Lincoln.

USDA-NASS: Corn 74% Good-Excellent, Soybean, 70%, Wheat, 48%

June 26, 2017

Dry conditions across much of Nebraska allowed wheat harvest to begin, according to the report from the USDA National Agricultural Statistics Service for the week ending June 25.

Topsoil moisture supplies rated 14% very short, 42% short, 44% adequate, and 0% surplus. Subsoil moisture supplies rated 7% very short, 33% short, 60% adequate, and 0% surplus.

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