Effect of confined root growth. Close-up view of roots of an English Elm (Ulmus procera). These roots belong to a tree which has been cultivated in a pot. In these confined conditions,the roots tend to grow in spirals,rather than geotrophically (downward) | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Burgess, Dr. Jeremy |
Taille de l’image : | 3067 px × 3060 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |