Document Detail

Effect of low and high-saponin lines of alfalfa on pea aphid.
MedLine Citation:
PMID:  16740274     Owner:  NLM     Status:  MEDLINE    
Pea aphid fed on a high-saponin line of alfalfa showed reduction of reproduction and survival, and disturbance in development of its population. This line negatively influenced aphid probing behaviour, particularly prolonging the non-probing period and probing of the peripheral tissues (epidermis and mesophyll) and shortening the period of phloem sap ingestion. The high-saponin line of alfalfa differed from the low-saponin one by the presence of zanhic acid tridesmoside and a higher level of 3-GlcA,28-AraRhaXyl medicagenic acid glycoside. The saponins incorporated into sucrose-agarose gels significantly reduced number of the aphid probes into the gels and extended their duration in comparison to the control gels (without tested compounds). Role of zanhic acid tridesmoside and 3-GlcA,28-AraRhaXyl medicagenic acid glycoside as potential factors for partial resistance of alfalfa towards the pea aphid is discussed.
Golawska Sylwia; Bogumil Leszczynski; Oleszek Wieslaw
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Publication Detail:
Type:  Journal Article     Date:  2006-04-25
Journal Detail:
Title:  Journal of insect physiology     Volume:  52     ISSN:  0022-1910     ISO Abbreviation:  J. Insect Physiol.     Publication Date:  2006 Jul 
Date Detail:
Created Date:  2006-07-03     Completed Date:  2006-10-24     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  2985080R     Medline TA:  J Insect Physiol     Country:  England    
Other Details:
Languages:  eng     Pagination:  737-43     Citation Subset:  IM    
Department of Biochemistry, University of Podlasie, ul. Prusa 12, 08-110 Siedlce, Poland.
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MeSH Terms
Aphids / drug effects*
Feeding Behavior / drug effects*
Medicago sativa / chemistry*
Saponins / analysis,  pharmacology*
Reg. No./Substance:

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