Occurrence characteristics of Eriosoma lanigerum and its control methods.
Author of the article:ZANG Qiang，LUO Wan-Chun
Author's Workplace：(College of Plant Protection, Shandong Agricultural University, Tai'an 271018, China).
Key Words：Eriosoma lanigerum Hausm; Occurrence characteristics; Control methods
Abstract：The apple root aphid Eriosoma lanigerum(Hausm) is established and spreading in some areas such as the Liaodong peninsula,Jiaodong peninsula and the Kunming region in China.The main period in which this pest poses a risk to apple crops is from May t