1. Crop Ideotype refers to model plants or ideas plant type for a specific environment. 
2. Ideotype differs from Ideotype. The former refers to a combination of various plant characters which enhance the yield of economic produce, whereas the latter refers to the morphological features of the chromosomes of a particular plant species. 
3. Donald included only morphological characters to define an Ideotype of wheat, subsequently, physiological and biochemical traits were also included for broadening the concept of crop Ideotype.