1996年在桦甸市大面积发生玉米细菌性茎腐病，严重地块发病率达71。

In 1996, the bacterial stalk rot occurred in Huadian city, the disease incidence of heavy region reached 71.

youdao

1996年在桦甸市大面积发生玉米细菌性茎腐病，严重地块发病率达71。

In 1996, the bacterial stalk rot occurred in Huadian city, the disease incidence of heavy region reached 71.

youdao