WBPH

AcronymDefinition
WBPHWhite Backed Planthopper
WBPHWrightsville Beach Pet Hospital (Wilmington, NC)
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It is a high yield plant with a complete abscission layer originating from 'Nagdong' is the main variety cultivated in our region and considered as positive and negative with WBPH resistance.
The WBPH were reared in room 18 cages (50 x 50 x 40 cm) in the greenhouse.
The WBPH can redistribute themselves on to the fresh plants.
All the lines were invaded from 2nd and 3rd instar of WBPH and the resistant lines were screened after 7 days, 14 days, and 21 days.
Therefore, all the plants lines were scored using a standard method to assess rice condition of WBPH resistant lines.
The populations with resistance were located mainly in Yunnan and the Guangxi Autonomous Region of China, and this is where the WBPH sources for the rice growing areas of the Yangtse River Basin are located.
Since 2009 pymetrozine has been the priority insecticide to control WBPH in order to prevent virus diseases vectored by it (Guo et al.
The devastation caused by the virus transmitted by the WBPH drew the attention of the Agricultural Administration on WBPH control.
Ten weeks after seeding plants were infested with 8 to 10 cultured WBPH females for 2 d at room temperature to allow oviposition.
Plants were infested at 10 wk after seeding with 5 to 6 cultured WBPH females for 2 d at room temperature.
Eight weeks after seeding plants were infested with 10 to 12 cultured WBPH females for 3 d at room temperature.
Percentage of watery lesions (PWL) and egg mortality (EM) of WBPH were scored for the evaluation of the ovicidal response of each RI line.