Study on the Biological Activity of Asarum Essential Oils Against Plutella xylostella(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:

2014年24期

Page:

112-115

Research Field:

Publishing date:

Info

Title:

Study on the Biological Activity of Asarum Essential Oils Against Plutella xylostella

Author(s):

CUI Ming-jun¹; WANG Gui-qing²; LI Fan-hai²; ZHANG Xiu-sheng²

1.Promotion Center of Liaocheng New Agricultural Varieties,Liaocheng,Shandong 252059;

2.College of Agronomy,Liaocheng University,Liaocheng,Shandong 252059

Keywords:

Asarum essential oils; Plutella xylostella; biological activity; mode of action

PACS:

S 482.3

DOI:

-

Abstract:

Taking Asarum essential oils as research object and P.xylostella as a target pest in the study,the leaf disk method,tube drug film method,fumigation box testing method and leaf with poison method were used to study the biological activity of Asarum essential oils on P.xylostella 3-instar larva.The results showed that the LC₅₀ of Asarum essential oils on P.xylostella larvae was 1 407.7 mg/L,which had the highest comprehensive poison effect.The next was contact action,fumigation action,stomach toxicity and narcosis action in turn.The selective antifeedant effect of Asarum essential oils on P.xylostella larvae was better than the non selective antifeedant effect.Indicate that,the Asarum essential oils had higher biological activity on P.xylostella larvae,and its modes of action were diverse.The results would provide a theory basis for new botanic insecticide and prevention and cure of P.xylostella.

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