Reaction of Leucaena to Australian Populations of Root-Knot Nematode (Meloidogyne Spp.).

Stirling, G. R.; Stanton, J. M.; Brandon, N. J.; O'Donnell, W. E.

doi:10.1071/app9920143

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2008

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“…were recorded when okra varieties were planted in alleys of L. leucocephala (Adekunle 2008). Leucaena leucocephala is not a host of M. incognita and M. javanica (Stirling et al 1992). In this study, we report the isolation and structural elucidation of a phenolic compound (flavonoid) -quercetin, an antinematicidal agent from the ethyl acetate fraction of a 20% aqueous methanol extract of leaves of L. leucocephala -and the toxicity of the isolated compound to M. incognita.…”

Section: Introductionmentioning

confidence: 99%

Characterisation of an antinematicidal compound fromLeucaena leucocephala

Adekunle

Aderogba

2008

Austral. Plant Disease Notes

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Abstract. Leucaena leucocephala is a small tropical tree used for a variety of purposes in agriculture, land management and homeopathic medicine. Quercetin, a flavonoid, was isolated and characterised from extracts of leaves of L. leucocephala and its effects on egg hatching and juvenile mortality of Meloidogyne incognita were investigated at 0.8, 0.4 and 0.2% in vitro. The compound was highly toxic to eggs and juveniles of the nematode at the three rates tested.

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Section: Introductionmentioning

confidence: 99%