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Sourced from: Infinite Health Blog, by Dr. Davis, originally posted on the Wheat Belly Blog: 2012-02-29
Among the changes introduced into wheat in the 1960s and 1970s was dwarfism, i.e., plants with short stature. Short stature meant a shorter stalk that “wasted” less energy and required less time to grow, tolerance to larger quantities of nitrogen fertilizer, and larger seeds heads to increase yield. This reduction in height is due to mutations in the Rht genes. Here’s an example of the effects of several different Rht alleles (gene variants):
From Pearce 2011