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How can Various Cultivars Influence the History of a Crop?

Older varieties of crops are not widely seen growing in fields today, but their impacts on the agricultural industry will never be forgotten. The December 7th Sustainable, Secure Food Blog highlights the legacy behind Madsen, a wheat cultivar that shaped today’s wheat production.
 
Blogger Arron Carter explains, “Madsen’s legacy has gone far beyond commercial production. Madsen has been the parent of over 45 released cultivars, many of which were the lines that replaced it in commercial production. It is used as a parent mainly because of the excellent disease resistance it has to common diseases of the Pacific Northwest.”
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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.