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Approval Of Aerial Application

Corn growers across Ontario and Quebec now have the option of applying Delegate insecticide by air, for fast and effective control of Western bean cutworm (WBC) and European corn borer.

Recent approval of aerial application on corn crops from the Pest Management Regulatory Agency (PMRA) means that farmers can now actively protect their crops from WBC larvae that feed on corn tassels and silks, and eventually tunnel into the ear.

“This announcement is significant for all corn growers. Delegate has minimum impact on beneficials such as ladybugs at the label rate while directly addressing and controlling Western bean cutworm infestation,” explains Tyler Groeneveld, Category Leader, Horticulture at Corteva Agriscience, Agriculture Division of DowDuPont.

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Designing a Robotic Berry Picker

Video: Designing a Robotic Berry Picker


Since blackberries must be harvested by hand, the process is time-consuming and labor-intensive. To support a growing blackberry industry in Arkansas, food science associate professor Renee Threlfall is collaborating with mechanical engineering assistant professor Anthony Gunderman to develop a mechanical harvesting system. Most recently, the team designed a device to measure the force needed to pick a blackberry without damaging it. The data from this device will help inform the next stage of development and move the team closer to the goal of a fully autonomous robotic berry picker. The device was developed by Gunderman, with Yue Chen, a former U of A professor now at Georgia Tech, and Jeremy Collins, then a U of A undergraduate engineering student. To determine the force needed to pick blackberries without damage, the engineers worked with Threlfall and Andrea Myers, then a graduate student.