|Table of Contents|

Control Efficacy of Three New Insecticides to Pear Psylla Psylla chinensis (Hemiptera：Psyllidae)(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年17
Page:
72-76
Research Field:
Publishing date:

Info

Title:
Control Efficacy of Three New Insecticides to Pear Psylla Psylla chinensis (Hemiptera：Psyllidae)
Author(s):
CHEN Jincui; WANG Zehua; CAO Lijun; ZHU Liang; WEI Shujun; GONG Yajun
Institute of Plant and Environmental Protection,Beijing Academy of Agriculture and Forestry Sciences,Beijing 100097
Keywords:
insecticide; Psylla chinensis; control efficiency; spirotetramat
PACS:
-
DOI:
10.11937/bfyy.20164866
Abstract:
In order to determine the efficient pesticides and suitable period to control the pear psylla Psylla chinensis (Hemiptera：Psyllidae),the filed control efficacy of three new insecticides on pear psylla were studied.The results showed that the spirotetramat performed the best against the pear psylla with control efficiency above 90% after 7—21 days of application in the two treatments.The other two pesticides showed little efficiency.However,the mixture of sulfoxaflor and spinetoram showed higher control efficiency than single dose.Application of insecticide at the end of egg hatching stage of the first generation showed higher control efficacy at the nymphal stage.It was recommend that spraying at the period of the end of egg hatching stage of first generation using 3 000 times dilution of spirotetramat 240 g?L-1 SC for the control of pear psylla.Alternative insecticides should be used for rotation to avoid the development of resistance of pear psylla in field.

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Last Update: 2017-09-29