Character of the genetic analysis of gravitropism in F 1 and F 2 (wild type as male parent and mutant as female parent) seedling seminal root, the diameter and numbers of amyloplasts in wild type and mutant root cap cells, with light and dark condition, and also the angle of seminal root geotr.

Nowadays, studies on gravitropism and phototropism are active aspects in the field of plant physiology, many details of which have been studied.

Recent advance in molecular biology, associated with the adoption of the mutants have allowed major breakthroughs in our understanding of both root and shoot gravitropism.