Incooperation of green manure into bean cropping systems contribute to rootknot nematode suppression

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dc.contributor.authorKariuki, G. M.
dc.contributor.authorKimenju, J.W.
dc.contributor.authorKagundu, A.M.
dc.contributor.authorNderitu, J.H.
dc.contributor.authorMambala, F.
dc.contributor.authorMutua, G.K.
dc.date.accessioned2014-09-04T15:35:21Z
dc.date.available2014-09-04T15:35:21Z
dc.date.issued2008
dc.descriptionDOI: 10.3923/ajps.2008.404.408en_US
dc.description.abstractGreen manure plants were evaluated to determine their suitability as rotation crops with common bean to suppress root-knot ( Meloidogyne spp.) nematodes. They were also evaluated as soil amendments in nematode control. The plants were Calliandra calothyrsus , Canavalia ensiformis , Chenopodium quinoa , Crotalaria juncea , Desmodium uncinatum , Gliricidia sepium , Leucaena leucocephala , Mucuna pruriens , Tephrosia purpurea , Tithonia diversifolia , Vicia villosa , Sesbania sesban and Tagetes minuta. In the glasshouse, pots were filled with steam-sterilized soil and sown with green manure plants. The rotation experiment entailed growing green manure plants for three months before uprooting them and planting beans in the same pots. The potting medium was infested with 6000 eggs/juveniles of Meloidogyne javanica . The field experiments were carried out in microplots infested with a mixture of M. javanica and M. incognita. Damage to bean roots due to root-knot nematodes was based on galling indices while nematode reproductive potential was based on egg mass index. Tithonia diversifolia , D. uncinatum , T. minuta , L. leucocephala and C. juncea were among the most effective in root-knot nematode suppression when used in rotation with beans. Their galling indices ranged between 1.0 and 1.5 under field conditions and were thus considered resistant. Vicia vilosa , T. purpurea and S. sesban were susceptible with galling indices ranging between 6.2 and 7.7. The resistant plants reduced the reproductive potential of Meloidogyne spp. by up to 80% while the susceptible plants caused an increase of up to 600%. Therefore, T. diversifolia , D. uncinartum , T. minuta , L. leucocephala and C. juncea can be recommended for use in fields infested with root-knot nematodes.en_US
dc.identifier.citationAsian Journal of Plant Sciences 01/2008; DOI: 10.3923/ajps.2008.404.408en_US
dc.identifier.issn1682-3974
dc.identifier.other1812-5697
dc.identifier.urihttp://www.ku.ac.ke/schools/spas/images/stories/docs/research/Incooperation-of-green-manure.pdf
dc.identifier.urihttp://ir-library.ku.ac.ke/handle/123456789/11170
dc.language.isoenen_US
dc.publisherAsian Network for Scientific Information (ANSINET)en_US
dc.subjectMeloidogyne sppen_US
dc.subjectrotation amendmenten_US
dc.subjectgallingen_US
dc.subjecteggmass indexen_US
dc.titleIncooperation of green manure into bean cropping systems contribute to rootknot nematode suppressionen_US
dc.typeArticleen_US
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