Botrytis blight on plants is caused by Botrytis cinerea, a fungus that attacks tender parts of the plant in the presence of high humidity. Botrytis blight symptoms on flowers include spotting, discoloration and wilting.
Tangshan - an industrial city of northeastern China in Hebei province Cathay, China, Communist China, mainland China, People's Republic of China, PRC, Red China - a communist nation that covers a vast territory in eastern Asia; the most populous country in the world
In addition, Shanghai is located in the mouth of Yangtze River, the River is wide and intersection of sea and fresh water, as well as natural lakes rivers, abundant of snails and oyster are span on the river bottom, it provides a good conditions for freshwater aquaculture.