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TitleChromolaena Biocontrol 1993
TagsCrop Rotation Weed Savanna Agriculture Herbicide
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Proceedings of the Third International Chromolaena Workshop

Comptes Rendus du Troisieme Atelier International sur Chromolaena

Abidjan, Cote d'Ivoire, November 1993

Agricultural Experiment Station

University of Guam, Mangilao, GUAM, USA

Publication nO 202


Page 2



Proceedingsof the Third InternationalChromolaenaWorkshop

Comptes Rendus du Troisieme Atelier International sur Chromolaena

(Abidjan, C6ted'Ivoire, November1993)






Publishedwith the financial supportof ORSfOM and ICRAF

Publie avec le soutienfinancier de l'ORSTOMet de l'ICRAF

ORSfOM:Institut �F�r�a�n�~�a�i�s deRecherchepourle DeveloppementenCooperation

French Scientific ResearchInstitute for Developmentthrough Cooperation

213,rueLa Fayette,75480,Paris,Cedex10,France

ICRAF: InternationalCentrefor Researchin Agroforestry

Centre International de Rechercheen Agroforesterie

United NationsAvenue,p.a. Box 30677,Nairobi, Kenya

Page 106

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Keli, J. Z. 1986. Control of Chromolaena odorata (L.) with imazapyr in rubber plantations in
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Outlook Agric. (UK) 18: 133-138.

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McFadyen, R. E. C. 1991. The Ecology of Chromolaena odorata in the Neotropics.
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Paraiso, A. liTA, BP 08 0932, Cotonou, Benin. PIlP: 35.01.88 Fax: (229) 30.14.66.

Slaats, J.J.P. Wageningen Agricultural University, PO Box 341,6700 AM Wageningen, The
Netherlands. Ph 31.8370.83040 Fax: 31.8370.84575.

Timbilla, J.A. Biocontrol Division, Crops Research Institute, PO Box 3785, Kumasi, Ghana.
Ph: 051-6221

Tjitrosoedirdjo, S. BIOTROP, PO Box 17, Bogor, lndonesia. Ph (62) 252-323-848 Fax: (62)

Tua, N. IDEFOR/DRO, 08 BP 33, Abidjan, Cote d'Ivoire. Ph: 44.28.58.

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41190 TDS 103.

Weise, S.F. Humid Forest Station liTA, B.P. 2008 (Messa), Yaounde, Cameroon; or cio L
W Lambourn & Co, Carolyn House, 26 Dingwall Raad, Croydon CR9 3EE, UK. Ph:
(237) 237 434 Fax: (237) 237 437. E-mail: [email protected]

Yehouenou, A. FAO, SRW-Ina BP 03, N'Dali, Rep. Benin. Ph:61.08.82.

Youta, H. Universite de Yaounde, BP 1857, Yaounde, Cameroun. Ph: (237) 20.15.08.

Zebeyou, M.G. IDEFOR, Station Principale, La Me, Cote d'Ivoire. Ph: (225)
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Chromolaena is a major weed in some
croppingsystems(here in a young coconut
palm plantation,Sumatra,Indonesia).
Chromolaenaestuneadventicemajeure dans
certainssystemesde culture (id, dans une
jeune plantation de cocotier, Sumatra,

Swiddenfarmers cI ai m that Clzromolaena
fallows improve soil fertility and allow to
reducethe fallow period without decreasing
yields (cassavaswidden,with Chromolaena
fallow in the background,Mayombe,Congo).
Lesagriculteurs sur brulis affirment que les
jac!zeresa Chromolaenaameliorent l a
fertilite du sol et permettentde reduire la
periode de jachere sansdiminution du
rendement descultures (abattisa manioc,
avecjacherea Chromolaenaal'arriere plan,

New researchis neededin order to assess
Chromolaena/soil interactionsand to clarify
Chromolaena's status.Millions of small
farmersin the humid tropics are concerned
De nouvellesrecherchessont necessaires
pourpreciserles interactions Chromolaena/
sol etpour clarifier le statutde Chromolaena.
Des millions de petits paysansdans les
TropiquesHumidessont concernes(paysan
du Mayombe,Congo).

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