Survey, pathogenicity and management of rice rootknot nematode, meloidogyne graminicola golden and birchfield on rice

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dc.contributor.advisorKanwar, R.S.
dc.contributor.authorPuja Devi
dc.date.accessioned2016-10-25T09:52:15Z
dc.date.available2016-10-25T09:52:15Z
dc.date.issued2016
dc.description.abstractSurvey of rice nurseries in four districts viz; Sirsa, Fatehabad, hisar and Jind districts revealed 80.1% infestation of rice root-knot nematode. Light textured soil was more prominent for the rice root-knot nematode M.graminicola. Studies on the pathogenicity of different type soil i.e clay loam, loam and sandy loam soil revealed that clay loam soil resulted maximum plant growth and nematode reproduction and multiplication followed by loam and sandy loam soil, irrespective of the inoculum level. As the inoculum level increased from 1-4 J2/g soil. Plant growth decreased significanty and nematode reproduction and multiplication increased in all the soil types. Pathogenic level of rice root-knot nematode was found 1J2/g soil in all soil types. In host range studies all the varieties of rice, pearl millet, sorghum, weeds and brinjal were susceptible to different populations of M.graminicola, to varying degree on the basis of galling. However, tomato proved to be a non-host for all the populations. More galling and reproduction of Fatehabad and Jorhat populations were reportedon all susceptiblehosts as compared to other three populations. Studies on management of rice root-knot nematode revealed that maximum plant growth was found in sterilized soil as compared infested soil, irrespective of organic amendments. Castor cake @ 10g/kg soil was found to be best in increasing plant growth parameters and decreasing nematode reproduction which was followed by mustard cake @ 10g/kg soil and castor cake @ 5g/kg soil.en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/81696
dc.language.isoenen_US
dc.publisherCCSHAUen_US
dc.subNematology
dc.subjectRice, Planting, Biological phenomena, Vegetative propagation, Biological interaction, Eggs, Meloidogyne graminicola, Crops, Biological development, Organic amendmentsen_US
dc.these.typeM.Sc
dc.titleSurvey, pathogenicity and management of rice rootknot nematode, meloidogyne graminicola golden and birchfield on riceen_US
dc.typeThesisen_US
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