| 释义 | 
		black rot noun  : any of various diseases of cultivated plants caused by fungi or bacteria and producing dark brown discoloration and decay: as  a.  : a disease of the apple, pear, and quince caused by a fungus (Physalospora cydoniae)  b.  : a disease of the grape caused by a fungus (Guignardia bidwellii) — see grape rot  c.  : a disease of cabbage and related plants caused by a bacterium (Xanthomonas campestris)  d.  : a disease of the sweet potato caused by a fungus (Ceratostomella fimbriata)  e.  : a disease of the potato caused by a bacterium (Erwinia atroseptica) |