STUDIES ON THE DEVELOPMENT OF COMMERCIALLY VIABLE FORMULATION OF Agrobacterium radiobacter FOR BIOLOGICAL CONTROL OF CROWN GALL IN STONE FRUIT NURSERIES

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dc.contributor.advisorGUPTA, A.K.
dc.contributor.authorSHARMA, ADITI
dc.date.accessioned2017-01-03T12:37:50Z
dc.date.available2017-01-03T12:37:50Z
dc.date.issued2012
dc.description.abstractABSTRACT The present investigation on “Studies on the development of commercially viable formulation of Agrobacterium radiobacter for biological control of crown gall in stone fruit nurseries” was carried out to study the effect of different pH, temperature, incubation period, broth media and air supply on the growth of native A. radiobacter isolate UHFBA-218 and its standard strain K-84. The most effective pH was 9 for A. radiobacter strain K-84 and 10 for A. radiobacter UHFBA-218, whereas the most effective temperature, incubation period, broth medium and air supply for both the isolates was 25°C , 4 days, yeast extraxt mannitol broth medium and 20 vv/m, respectively. These parameters were further used for studying the viability of A. radiobacter isolate UHFBA-218 and strain K-84 in different carrier media – white stone powder, carboxymethyl cellulose and activated charcoal mixed in 1:2 and 1:5 ratio during six months of storage at room temperature at three different locations viz., main campus Nauni, Chandigarh and Shimla and its further comparison on the viable counts after six month of storage at 4°C. White stone powder was superior to other carrier media tested under these studies. There were appreciable counts ranging from 34.67 to 103.3 × 10 8 cfu/g after six months of room temperature storage at different locations. However, storage at 4°C temperature provided maximum viability ranging from 108.50 to 155.7 × 10 8 cfu/g in white stone powder mixed in 1:5 and 1:2 ratio, respectively.en_US
dc.identifier.other47858
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/94132
dc.language.isoenen_US
dc.subPlant Pathologyen_US
dc.these.typeM.Sc
dc.titleSTUDIES ON THE DEVELOPMENT OF COMMERCIALLY VIABLE FORMULATION OF Agrobacterium radiobacter FOR BIOLOGICAL CONTROL OF CROWN GALL IN STONE FRUIT NURSERIESen_US
dc.typeThesisen_US
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