Potassium deficiency in a grape (Vitis vinifera) leaf. The outer tissue (brown) is necrotic (dead) and much of the rest of the leaf is not producing sufficient chlorophyll (chlorosis,yellow) | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Cattlin, Nigel |
Bildgröße: | 3585 px × 2925 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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