Occurrence Regulation and Pesticide Screening of Pontania caprea in Qilian Mountain Eastern End
WANG Depeng
Abstract：In order to protect safety of people and animals and produce beside disease and insect pest control area,the life history and morphological characteristics of Pontania caprea L were observed in Qilian Mountain eastern end,the harm degree was investigated,and the screening test of four plant source pesticide was did.The result showed that the Pontania caprea L occurred one generation in a year,the incidence and pest density were affected by altitude of investigation areas,the incidence and pest density of middle valley were the highest in all investigation areas,the southern mountains are the lowest,and the northern dry area was in the middle.After the different plant source pesticides were sprayed in late April adult emergence peak period,the incidence and pest density were decreased separately,the control effect of 3.2％matrine oil 2000 times,whose incidence and pest density were zero separately,which should be used to control Pontania caprea L firstly in Qilian Mountain eastern end.
Keywords：Pontania caprealife historyplant source pesticidescreening test
Publication Date：2024-12-28
Online Publishing Date：2026-05-22(First online date of this platform, not the publication date of the document)
Pages：5( 59-62,66 )