Malting and Raw Materials

Barley - The Science of Seed Germination

Morphology and Seed Germination


Structure, Barley, Reproduction, Seed, Dormancy, Germination


Following the first barley lecture where we establish an understanding of the basics regarding barley origin and its history, its current role in agriculture, as well as descriptions of various barley types and the cultural and storage practices important for malting barley, we will move to the second barley lecture.
This presentation addresses the necessary science basics about seeds, in this case, barley kernels, the morphology of the kernels, and the science of germination as we move closer to the malting process.

Learning Objectives

  • Plant reproduction
  • Barley structure, and functions
  • Mechanics of seed germination
  • Seed germination: Nature vs Malting
  • Seed dormancy

Lecture developed by

Joe Hertrich

Joseph D. Hertrich is the retired Group Director, Brewing Raw Materials at Anheuser-Busch, Inc.  His responsibilities included the operation of the company’s malt plants, rice mills and hop farms, and the supervision of all facilities that produced and handled brewing raw materials for Anheuser-Busch products worldwide.
Prior to joining Anheuser-Busch, Mr. Hertrich held various positions in brewing with The Stroh Brewery Company, the Pabst Brewing Company, and the Christian Schmidt Brewing Company.  In retirement, he continues to consult, teach, write, and speak on his observations over 50 years in the U.S. brewing industry.  He is a faculty member at the Siebel World Brewing Academy lecturing in the Advanced Brewing Theory Course.  He also lectures at the MBAA Brewing and Malting Science Course and creates podcasts for MBAA Continuing Education.
Mr. Hertrich is a member of MBAA, ASBC, Brewers Association, and the Craft Maltsters Guild.  He is also a past member of the American Malting Barley Association and the Canadian Brewing and Malting Barley Research Institute.

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Enroll options

Lecture Duration (Narration)
28 minutes

Online Access to Lecture
10 days from time of purchase

Lecture Level


Lecture Duration
28 minutes

Online Access to Lecture
10 days from time of purchase



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