Effect of inorganic phosphatic fertilizers on the efficacy of an arbuscular mycorrhiza fungus against a root-knot nematode on pyrethrum

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dc.contributor.authorWaceke, J. W.
dc.contributor.authorWaudo, S. W.
dc.contributor.authorSikora, R.
dc.date.accessioned2015-05-15T08:44:24Z
dc.date.available2015-05-15T08:44:24Z
dc.date.issued2015-05
dc.descriptionRP-school of agriculture-department of Agricultural Sciences and Technologyen_US
dc.description.abstractEffects of triple super phosphate (TSP) and single super phosphate (SSP) fertilizers on efficacy of a Glomus sp. (isolate KS 14) against Meloidogyne hapla were determined. The fertilizers were applied at 150 and 300 kg ha71 at the time of fungus inoculation. Two months later, plants were inoculated with the nematodes. Plant growth and nematode disease parameters were determined 2 months after nematode inoculation. The fertilizers at both levels improved plant growth in all treatments. In general, the fungus improved plant growth on its own or in the presence of nematodes, but not in the presence of fertilizers. Both fertilizers at both levels were more effective in improving plant growth than the fungus. The fungus showed sensitivity to inorganic P fertilizers in that the fertilizers significantly reduced fungal root colonization and its pyrethrum growth stimulative effects. The fungus suppressed nematode disease severity unlike the fertilizers. The suppressive effects of the fungus on the nematodes were in most cases reduced by the fertilizers. The nematodes, unlike the fertilizers, did not have any significant effects on root colonization by the fungus or on its ability to improve pyrethrum growth. The presence of nematodes in fertilizer or fertilizer ± fungus-treated plants, however, significantly reduced pyrethrum growthen_US
dc.identifier.citationInternational Journal of Pest Management , online # 2002 Taylor & Francis Ltd http://www.tandf.co.uk/journals, DOI: 10.1080/09670870210149862en_US
dc.identifier.issn09670874
dc.identifier.issn13665863
dc.identifier.urihttp://ir-library.ku.ac.ke/handle/123456789/12626
dc.language.isoenen_US
dc.publisherTaylor & Francisen_US
dc.subjectMeloidogyne hapla, inorganic phosphatic fertilizers, root-knot nematode, pyrethrum)en_US
dc.titleEffect of inorganic phosphatic fertilizers on the efficacy of an arbuscular mycorrhiza fungus against a root-knot nematode on pyrethrumen_US
dc.typeArticleen_US
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