Biological and physical contraints on maize production in the Humid Forest and Western Highlands of Cameroon

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cg.authorship.typesCGIAR and developing country instituteen
cg.contributor.affiliationInstitut de Recherche Agricole pour le Développement, Cameroonen
cg.contributor.affiliationInternational Institute of Tropical Agricultureen
cg.contributor.affiliationMedical Research Council, South Africaen
cg.contributor.affiliationUniversity of Pretoriaen
cg.contributor.donorInternational Fund for Agricultural Developmenten
cg.coverage.countryCameroonen
cg.coverage.iso3166-alpha2CMen
cg.coverage.regionAfricaen
cg.coverage.regionMiddle Africaen
cg.identifier.doihttps://doi.org/10.1023/a:1021206028492en
cg.isijournalISI Journalen
cg.issn0929-1873en
cg.issue9en
cg.journalEuropean Journal of Plant Pathologyen
cg.reviewStatusPeer Reviewen
cg.subject.iitaPLANT DISEASESen
cg.subject.iitaMAIZEen
cg.subject.iitaPESTS OF PLANTSen
cg.subject.iitaPLANT PRODUCTIONen
cg.subject.iitaCLIMATE CHANGEen
cg.volume108en
dc.contributor.authorNgoko, Z.en
dc.contributor.authorCardwell, K.en
dc.contributor.authorMarasas, W.F.O.en
dc.contributor.authorWingfield, M.en
dc.contributor.authorNdemah, R.en
dc.contributor.authorSchulthess, F.en
dc.date.accessioned2018-05-17T09:03:22Zen
dc.date.available2018-05-17T09:03:22Zen
dc.identifier.urihttps://hdl.handle.net/10568/92747
dc.titleBiological and physical contraints on maize production in the Humid Forest and Western Highlands of Cameroonen
dcterms.abstractThe aim was to identify biological and physical factors responsible for reducing maize yield in Cameroon. Two surveys were conducted in 137 fields in two agroecological zones in 1995–1997. In the Humid Forest (HF), Bipolaris maydis, Stenocarpella macrospora, Puccinia polysora, Rhizoctonia solani and soil fertility were factors that reduced maize production in 1995 and 1996. In the Western Highlands (WHL), Cercospora zeae-maydis, and the interaction between soil fertility and maize variety were the most important constraints to maize production in 1996. In 1997, C. zeae-maydis, S. macrospora, physiological spot and stem borer damage (Busseola fusca) were negatively related to ear weight. The combination of these biological factors (diseases and insects), and the physical parameter of soil fertility were responsible for reducing maize yield in these selected benchmarks of Cameroon. Maximum potential yield reductions were estimated at 68% due to B. maydis and 46% due to S. macrospora, respectively, in the HF in 1995. In 1996, maximum potential yield reductions in the HF were estimated at 34%, 41% and 30% due to S. macrospora, P. polysora and R. solani, respectively. In the WHL, C. zeae-maydis had the potential to cause a yield reduction of 79% in 1996. In the WHL in 1997, the interaction between C. zeae-maydis and B. fusca, stem diseases and the physiological spot caused potential reductions of 52%, 34% and 39%, respectively.en
dcterms.accessRightsLimited Accessen
dcterms.bibliographicCitationNgoko, Z., Cardwell, K., Marasas, W., Wingfield, M., Ndemah, R. & Schulthess, F. (2002). Biological and physical constraints on maize production in the Humid Forest and Western Highlands of Cameroon. European Journal of Plant Pathology, 108(9), 893-902.en
dcterms.extentpp. 893-902en
dcterms.issued2002en
dcterms.languageenen
dcterms.licenseCopyrighted; all rights reserveden
dcterms.publisherSpringeren
dcterms.subjectfield pathogensen
dcterms.subjectmaizeen
dcterms.subjectregression analysisen
dcterms.subjectyield lossen
dcterms.subjecthorticultureen
dcterms.typeJournal Articleen

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