Cells have three main problems if they grow too large. 1. Diffusion is too slow to provide materials to the interior of a cell that is too large. Likewise, diffusion can't adequately take out all the wastes from a cell that is too large.
Guymon, Oklahoma. Guymon is a city in and the county seat of Texas County, Oklahoma. As of the 2010 census, the city population was 11,442, an increase of 6.5 percent from 10,472 in 2000. The 2012 census estimate grew to 11,930.
Guymon is a variety established by seeding. It has good winter hardiness and is well adapted to the upper South. Guymon has a shorter growth habit but denser tillering than Midland, Tifton 44 and other bermudagrasses. In Oklahoma, forage yields of Guymon have been similar to those of Greenfield.