scholarly journals Soybean aphid (Hemiptera: Aphididae) response to lambda‐cyhalothrin varies with its virulence status to aphid‐resistant soybean

2019 ◽  
Vol 76 (4) ◽  
pp. 1464-1471 ◽  
Author(s):  
Ivair Valmorbida ◽  
Dionei S Muraro ◽  
Erin W Hodgson ◽  
Matthew E O'Neal
Keyword(s):  
Soybean Aphid ◽  
Lambda Cyhalothrin

Soybean Aphid Efficacy Evaluation

2010 ◽  
Author(s):  
Matthew E. O'Neal ◽  
Erin W. Hodgson ◽  
Kevin Johnson ◽  
Gregory R. VanNostrand ◽  
Nicholas P. Schmidt ◽  
...  
Keyword(s):  
Soybean Aphid ◽  
Efficacy Evaluation

Stability Mechanism of Lambda-Cyhalothrin O/W Emulsion Prepared with Esterified Starch as Emulsifier

2012 ◽  
Vol 29 (3) ◽  
pp. 332
Author(s):  
Yuan ZHANG ◽  
Jian SHANG ◽  
Xiaobing ZHANG ◽  
Feng LIU
Keyword(s):  
Lambda Cyhalothrin

scholarly journals Perception and Use of Economic Thresholds Among Farmers and Agricultural Professionals: A Case Study on Soybean Aphid in Minnesota

2021 ◽  
Vol 12 (1) ◽  
Author(s):  
Natalie Hoidal ◽  
Robert L Koch
Keyword(s):  
Soybean Aphid ◽  
Educational Outreach ◽  
Economic Injury Level ◽  
Economic Thresholds ◽  
Foundational Principle ◽  
Economic Injury ◽  
Fundamental Misunderstanding ◽  
The Difference ◽  
Commercial Pesticide ◽  
Agricultural Professionals

Abstract Economic thresholds (ETs) are a foundational principle of integrated pest management but are not always widely accepted by farmers and agricultural professionals. This article reports on a survey of Minnesota farmer and agricultural professional perceptions of the ET for soybean aphid, Aphis glycines Matsumura (Hempitera: Aphididae). We discuss insights for Extension programs on how to frame the importance of thresholds and teach stakeholders to use them effectively. Key takeaways include farmers and agricultural professionals often worry about combined effects of insect, disease, and physiological pressures, whereas effects of interactions with these other stressors are seldom discussed in educational outreach. Across groups, there is a fundamental misunderstanding about the difference between ETs and economic injury level. Many survey participants reported believing in the ET but lacked the time and capacity to fully implement it. Sales agronomists and farmers were the least likely groups to trust the university-determined soybean aphid ET, whereas commercial pesticide applicators and independent consultants were the most likely groups to trust it. Based on these results, we recommend adapting communication about ETs based on the target audience to address common misconceptions and barriers to ET use that are unique to each group.

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