Light micrograph of a seed grain of Phacelia tanacetifolia,scorpionweed,showing a single seed grain of commercially available seeds. Phacelia is a common seed for green manure use. Microscopic contrast technique : Incident lighting. Magnification 50x when printed 10 centimetres wide | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Guenther, Gerd |
Taille de l’image : | 4680 px × 3734 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |