Damping off of seedlings is caused by A)Peronospola parasitica B)Albugo Candida C)Phytophthora infestans D) Pythium debaryanum
Option D) 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 patches of dead seedlings.
