The brown planthopper biotypes: on the genetic mechanism of virulence.
Author of the article:ZHOU Yi-Hong,HAN Zhao-Jun
Author's Workplace：(Key Laboratory of Monitoring and Man
agement of Plant Disease and Insects， Ministry of Agriculture, Nanjing Agricult
ural Universit, Nanjing 210095, China)
Key Words：Nilaparvata lungens (St?l); biotype
; virulence; genetic mechanism
Abstract：The occurrence of brown planthopper (BPH) biotypes,which have evolved virulenc
e t
o resistant rice varieties with different major resistance genes, has become a
serious problem in rice breeding and pest controlling.Toclarifythe mechani
sms
in the de