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Insecticidal Activity of the Extracts From Different Plants Against Coltsfoot Aphids(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年16
Page:
119-121
Research Field:
Publishing date:

Info

Title:
Insecticidal Activity of the Extracts From Different Plants Against Coltsfoot Aphids
Author(s):
HE RunliFAN JiePING LiliLIU JiquanZHOU Chunzhu
(School of Traditional Chinese Medicine,Shanxi University of Traditional Chinese Medicine,Taiyuan,Shanxi 030024)
Keywords:
Tussilago farfaraaphidplant extractscontacting activitytoxicity
PACS:
-
DOI:
10.11937/bfyy.201516028
Abstract:
Taking coltsfoot aphids as research object,using insect-soaking method,the insecticidal activities of the crude extracts of 12 plants were tested against coltsfoot aphids.The results showed that at concentration of 10 mg/mL,alcohol extracts from 12 plants had a certain insecticidal activity on coltsfoot aphid.Insecticidal activity of extract from Euphorbia fischeriana,Iris tectorum,Dryopteris crassirhizoma were stronger than others,their corrected mortality reached about 80% after 48 hours.The toxicity of extracts from E.fischeriana was the strongest,which LC50 on the aphid was 9.025 mg/mL after 24 hours,and LC50 of the extracts of I.tectorum,D.crassirhizoma were 16.111 mg/mL,33.612 mg/mL respectively after 24 hours.E.fischeriana,I.tectorum and D.crassirhizoma had excellent value for further research and development.

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Last Update: 2015-09-02