抽穗前期心叶及倒三叶过氧化氢含量。
C: pigment content of the 3rd leaf from the top before heading stage (serious chlorisis).
过去在玉米心叶期应用颗粒剂防治已可基本控制为害。
In the past satisfactory control may be achieved by using granulated insecticides at the late whorl stage of the corn.
结果表明，椰心叶甲在我国属于高度危险性的有害生物。
The result shows that Brontispa langissima belongs to the most dangerous pest in China.
应用推荐