Abstract
A flexible videoscope with an outer diameter of 3.8 mm and equipped with a movable tip was used for in situ observation of roots growing in larger‐sized biopores. We were able to display root morphology and position inside of biopores and differentiate four categories of root segments.
Acknowledgements
The authors are grateful to Markus Huober (Klein Altendorf experimental station) and to Alexander Sviridov (Grodno State Agrarian University/BY) for their technical assistance. The authors are indebted to Dr William Lockeretz for checking the English.