Although many of the psychological problems of post-polio patients are similar to those of other physically disabled groups, there is one major difference: the patient now experiences, both physically and emotionally, a recurrence of the disabling disease.
Crabapple trees grow 8 to 10 inches per year, according to Clemson University Extension. This varies depending on the species.rabapple trees grow 8 to 10 inches per year, according to Clemson University Extension. This varies depending on the species.
Genetic Factors The number one factor affecting apple fruit size is the genetics of the cultivar. Think of a crab apple. No matter what growers do, crab apple fruit always will be small. Likewise, Honeycrisp and Mutsu fruit tend to be large. Genetics can affect both cell number and cell size.