Document Detail


Evaluation of substituted oxime ethers for growth regulatory activity against Spodoptera litura (F.).
MedLine Citation:
PMID:  16628899     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Insect growth regulatory activity (IGR) of fifty-two substituted oxime ethers were evaluated against an important polyphagous lepidopteran crop pest, Spodoptera litura (F.). A number of compounds produced symptoms comparable to exogenously applied juvenile hormone. Maximum IGR activity was exhibited by 4'-(2,6,6-trimethyl-2-cyclohexen- -yl)-3'-buten-2'(E)-ketoxime-N-O-alkyl ether with an ED50 (morphological) of 40 microg g(-1) body weight, compared to 20 microg g(-1) of JH III. Two more compounds namely 4'-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3'-buten-2'(Z)-ketoxime-N-O-methyl propyl ether (ED50 192 microg g(-1)) and 4'-(2,6,6-trimethyl-1-cyclohexen-1-yl)-3'-buten-2'(E)-ketoxime-N-O-pentyl ether (ED50 380 microg g(-1)) showed considerable IGR activity, whereas 4'-(2,6,6-trimethyl-2-cyclohexen-1-yl)-3'-buten-2'(E)-ketoxime-N-O-pentyl ether was found to be toxic to the larvae (ED50 268 microg g(-1)). Three compounds used in this study were also synergised by piperonyl butoxide (PBO). The synergistic ratios were found in the range of 1.33 to 4.605. The ovicidal activity of the oxime ethers is not significant.
Authors:
H Izadi; B Subrahmanyam
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Publication Detail:
Type:  Evaluation Studies; Journal Article    
Journal Detail:
Title:  Communications in agricultural and applied biological sciences     Volume:  70     ISSN:  1379-1176     ISO Abbreviation:  Commun. Agric. Appl. Biol. Sci.     Publication Date:  2005  
Date Detail:
Created Date:  2006-04-24     Completed Date:  2006-07-12     Revised Date:  2006-12-14    
Medline Journal Info:
Nlm Unique ID:  101200320     Medline TA:  Commun Agric Appl Biol Sci     Country:  Belgium    
Other Details:
Languages:  eng     Pagination:  651-60     Citation Subset:  IM    
Affiliation:
Division of Plant Protection, Faculty of Agriculture, Valie Asr University, Rafsanjan, Iran. hizadiir@hotmail.com
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MeSH Terms
Descriptor/Qualifier:
Animals
Biological Assay
Dose-Response Relationship, Drug
Ethers / chemical synthesis,  pharmacology*
Insecticides / pharmacology
Juvenile Hormones / pharmacology*
Oximes / chemical synthesis,  pharmacology*
Pest Control, Biological / methods*
Pesticide Synergists / pharmacology*
Piperonyl Butoxide / pharmacology
Spodoptera / drug effects,  growth & development*
Chemical
Reg. No./Substance:
0/Ethers; 0/Insecticides; 0/Juvenile Hormones; 0/Oximes; 0/Pesticide Synergists; 51-03-6/Piperonyl Butoxide

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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