McqMate
| Q. |
Damping off of seedlings is caused by |
| A. | Peronospola parasitica |
| B. | Albugo Candida |
| C. | Phytophthora infestans |
| D. | Pythium debaryanum |
| Answer» D. Pythium debaryanum | |
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Explanation: Damping off is a horticultural disease or condition, caused by a number of different pathogens that kill or weaken seeds or seedlings before or after they germinate. Pythium, a genus of parasitic oomycete, are most often responsible for damping-off. Along with Rhizoctonia solani, attacks by Pythium are most associated with producing roughly circular patcties of dead seedlings. |
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