FIELD TESTING OF Pseudomonas SPECIES FORMULATION FOR GROWTH PROMOTION OF APPLE IN REPLANT SITE

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dc.contributor.advisorKAUR, MOHINDER
dc.contributor.authorVIJAY, KUMAR
dc.date.accessioned2016-11-15T15:43:23Z
dc.date.available2016-11-15T15:43:23Z
dc.date.issued2014
dc.description.abstractABSTRACT The etiology of replant problem of apple is unclear. Different biological agents have been implicated in disease. Fluorescent Pseudomonads are a group of beneficial microorganisms, which rigorously colonize roots and provide beneficial effects to plant development. The twelve flourescent Pseudomonas isolates were screened out for production of plant growth promoting activities in vitro such as phosphate solubilization, antifungal, siderophore, proteolytic, HCN and ammonia growth regulators i.e auxins, gibberellins & cytokinins. Three isolates were selected they showed 99% homology with P. aeruginosa by 16S –rRNA gene characterization for field trials & evaluation of carriers to support their viability & shelf life. And four carriers namely coccopeat, farm yard manure, soil of replant orchards & vermicompost were evaluated to support the survival & shelf life of different bioformulations. Seven liquid formulation i.e three of individual strains and three of mixture of two strains (I+J, J+K, K+I) and one of mixture of three strains (I+J+K) along with control (water) were used for apple treatment before plantation. P.aeruginosa I, J & K were found to increase the growth & establishment & survival of replanted apple seedling & root stocks in replanted sites. The increase in plant height was 22.4-29.7% at Siao and 5.8 -21.9% at Maggota. Similarly increase in number of nodes per plant was 22.63 – 34.21% at Siao & 4.70 – 29.4 % at Maggota. All the treatments with consortial bioformulations of three strains were effective in increasing the plant height and number of nodes per plant as compared to consortial bioformulation two strains is inturn is still more effective as compared to formulation of individual strains.en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/85694
dc.language.isoenen_US
dc.subMicrobiology
dc.subjectbacteria, planting, biological development, productivity, apples, inorganic acid salts, diseases, fungi, growth promoters, biological phenomenaen_US
dc.subjectFluorescent Pseudomonads ,appleen_US
dc.these.typeM.Sc
dc.titleFIELD TESTING OF Pseudomonas SPECIES FORMULATION FOR GROWTH PROMOTION OF APPLE IN REPLANT SITEen_US
dc.typeThesisen_US
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