Alternaria panax
| Species: | Alternaria panax Whetzel |
| Original Reference: | Whetzel, H. H. 1906. The Alternaria blight of ginseng. Cornell Countryman. 4: 33-41. |
| Additional Reference: | Simmons, E. G. 1982. Alternaria themes and variations (7-10). Mycotaxon. 14: 32-41. |
| Conidia: | (on PCA) mature conidia typically 150-160 x 12-20 µm with slightly tapered blunt-tipped beak (80-90 x 4-6 µm), long obclavate, smooth sometimes slightly verruculose, dilute yellowish tan, 9-11 transverse septa, 1-2 longitudinal septa, single or chains of 2-3. |
| Conidiophore: | (on PCA) both apical and lateral secondary conidiophores (5-50 µm) are produced. |
| Additional characters: | With some isolates, mature conidia undergo excessive cellular swelling resulting in distorted asymmetrical conidia. |
| Disease: | Blight of ginseng |
| Host: | Panax quinquefolius L. [American ginseng, ginseng] |
| Alternaria species | Alternaria Online | Plant pathology | Agricultural and Life Sciences |