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Evaluación de la actividad antialimentaria de insectos en extractos de plantas nativas del centro de ArgentinaScreening for extracts with insect antifeedant properties in native plants from central Argentina
(Universidad de Santiago, 2014-09)
Se evaluaron los extractos etanólicos obtenidos de las partes aéreas de 64 plantas de la región Central de Argentina, como antialimentarios de insectos mediante ensayos de elección, contra Epilachna paenulata (Coleoptera: ...
Hydroxamic acids in Secale cereale L. and the relationship with their antifeedant and allelopathic properties
(VERLAG Z NATURFORSCH, 2006-10)
Contents of the hydroxamic acids 2,4-dihydroxy-1,4-benzoxazin-3-one (DIBOA), and 2,4-dihydroxy-7-methoxy-1,4-benzoxazin-3-one (DIMBOA) in leaves and roots of 14 cultivars of rye, Secale cereale L., were determined. Dynamics ...
Chemical modification produces species-specific changes in Cucurbitacin Antifeedant effect
(American Chemical Society, 2013-05)
Cucurbitacins are secondary metabolites that mediate insect plant interactions not only as allomones against generalists but also as kairomones for specialist herbivores. This study was undertaken to identify the potential ...
Activity of grindelanes against important maize pest Spodoptera frugiperda and their selectivity of action on non-target environmental bacteria
(Wiley Blackwell Publishing, Inc, 2021-09)
In the search for new plant-derived products with antifeedant and insecticidal potential against economically important insects, 11 grindelanes (two as natural acids and nine as methylated derivatives) purified from the ...
Bioinsecticidal effect of the flavonoids pinocembrin and quercetin against Spodoptera frugiperda
(Springer Heidelberg, 2015-09)
Flavonoids function in many aspects of plant–insect interactions, but the responses of insects to these compounds vary greatly. In this study, we determined the effects of two widely distributed flavonoids, pinocembrin and ...
Bioactivity of the essential oil of an argentine collection of acanthospermum hispidum (asteraceae)
(Natural Products, 2012-02)
The essential oil of an Argentine collection of the annual herb Acanthospermum hispidum DC. (Asteraceae), which contains the sesquiterpenoids beta-caryophyllene (35.2%), alpha-bisabolol (11.4%), and germacrene D (11.1%) ...
Phytochemical investigation and biological activities of Fusarium SP. An entomogenous fungus
(Elsevier, 2019-03)
Entomopathogenic fungi have an incredible capacity to produce biologically active metabolites. The present study was undertaken to evaluate the insecticidal activity of extracts, fractions and pure compounds from Fusarium ...
Insecticidal application of essential oils loaded polymeric nanoparticles to control German cockroach: Design, characterization and lethal/sublethal effects
(Academic Press Inc Elsevier Science, 2020-02-02)
Essential oils (EO) from peppermint, palmarosa, geranium, lavender and rosemary were tested against the German cockroach, Blatella germanica L. (Blattaria: Blatellidae). Peppermint and palmarosa oils were the most effective ...
Insecticidal effects of eudesmanes from Pluchea sagittalis (Asteraceae) on Spodoptera frugiperda and Ceratitis capitata
(Infogain, 2017-01)
Eudesmanoids play an important role in the protection of plants against herbivores. Pluchea sagittalis (Lamarck) Cabrera (Asteraceae) is widespread in tropical South America and contains compounds that provide protection ...