onion smudge

短语

释义与例句

n.
  1. 1.

    A disease of the onion caused by the fungus Colletotrichum circinans which causes black concentric rings or smutty spots on the outer scales of the bulb, or rot in the fleshy leaves inside.

    不可数
  2. 2.

    The fungus Colletotrichum circinans.

    不可数