Biological studies of azadirachtin and its derivatives against polyphagous pest, Spodoptera litura.

Abstract:

:Azadirachtin-A (Aza-A, figure 1) was subjected to a variety of synthetic transformations and the antifeedant activity and toxicity of the azadirachtin derivatives were assessed against second instar larvae Spodoptera litura on castor leaves in comparison with the crude material containing 9.14% Aza-A, as well as relatively pure 91% Aza-A. A probable mechanism for the base initiated fragmentation of the diketocarbonate into a decalin fragment and a spiroketal moiety has been proposed. The present study indicates that the combination of insect toxicity and antifeedancy of azadirachtin provides good crop protection.

journal_name

Nat Prod Res

journal_title

Natural product research

authors

Deota PT,Upadhyay PR

doi

10.1080/14786410512331330558

keywords:

subject

Has Abstract

pub_date

2005-07-01 00:00:00

pages

529-39

issue

5

eissn

1478-6419

issn

1478-6427

journal_volume

19

pub_type

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