Answer:
Explanation:
Plants infected with white rot may have a cottony white or grey mass of fungal ... The disease can occur on all the vegetable alliums but tends to be more serious on garlic ... The fungus is an important pathogen on a number of non-allium crops ... a brown discoloration and rot, so that the shoot easily detaches from the base.
A, the cytoplasm is the jelly-like substance that suspends the organelles and provides structure for the cell.
It decreased because of the Black Plague
